20210298920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{5351}}^1$

素因数の和:5464

約数の個数: 192

約数和(自身を含む): 55350812160

約数和(自身を除く): 35140513240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 47, 49, 56, 70, 82, 94, 98, 140, 164, 188, 196, 205, 235, 245, 280, 287, 328, 329, 376, 392, 410, 470, 490, 574, 658, 820, 940, 980, 1148, 1316, 1435, 1640, 1645, 1880, 1927, 1960, 2009, 2296, 2303, 2632, 2870, 3290, 3854, 4018, 4606, 5351, 5740, 6580, 7708, 8036, 9212, 9635, 10045, 10702, 11480, 11515, 13160, 13489, 15416, 16072, 18424, 19270, 20090, 21404, 23030, 26755, 26978, 37457, 38540, 40180, 42808, 46060, 53510, 53956, 67445, 74914, 77080, 80360, 92120, 94423, 107020, 107912, 134890, 149828, 187285, 188846, 214040, 219391, 251497, 262199, 269780, 299656, 374570, 377692, 438782, 472115, 502994, 524398, 539560, 749140, 755384, 877564, 944230, 1005988, 1048796, 1096955, 1257485, 1310995, 1498280, 1535737, 1755128, 1760479, 1888460, 2011976, 2097592, 2193910, 2514970, 2621990, 3071474, 3520958, 3776920, 4387820, 5029940, 5243980, 6142948, 7041916, 7678685, 8775640, 8802395, 10059880, 10311377, 10487960, 10750159, 12285896, 12323353, 14083832, 15357370, 17604790, 20622754, 21500318, 24646706, 30714740, 35209580, 41245508, 43000636, 49293412, 51556885, 53750795, 61429480, 61616765, 70419160, 72179639, 82491016, 86001272, 98586824, 103113770, 107501590, 123233530, 144359278, 206227540, 215003180, 246467060, 288718556, 360898195, 412455080, 430006360, 492934120, 505257473, 577437112, 721796390, 1010514946, 1443592780, 2021029892, 2526287365, 2887185560, 4042059784, 5052574730, 10105149460, 20210298920]

約数ペア:

[(1, 20210298920), (2, 10105149460), (4, 5052574730), (5, 4042059784), (7, 2887185560), (8, 2526287365), (10, 2021029892), (14, 1443592780), (20, 1010514946), (28, 721796390), (35, 577437112), (40, 505257473), (41, 492934120), (47, 430006360), (49, 412455080), (56, 360898195), (70, 288718556), (82, 246467060), (94, 215003180), (98, 206227540), (140, 144359278), (164, 123233530), (188, 107501590), (196, 103113770), (205, 98586824), (235, 86001272), (245, 82491016), (280, 72179639), (287, 70419160), (328, 61616765), (329, 61429480), (376, 53750795), (392, 51556885), (410, 49293412), (470, 43000636), (490, 41245508), (574, 35209580), (658, 30714740), (820, 24646706), (940, 21500318), (980, 20622754), (1148, 17604790), (1316, 15357370), (1435, 14083832), (1640, 12323353), (1645, 12285896), (1880, 10750159), (1927, 10487960), (1960, 10311377), (2009, 10059880), (2296, 8802395), (2303, 8775640), (2632, 7678685), (2870, 7041916), (3290, 6142948), (3854, 5243980), (4018, 5029940), (4606, 4387820), (5351, 3776920), (5740, 3520958), (6580, 3071474), (7708, 2621990), (8036, 2514970), (9212, 2193910), (9635, 2097592), (10045, 2011976), (10702, 1888460), (11480, 1760479), (11515, 1755128), (13160, 1535737), (13489, 1498280), (15416, 1310995), (16072, 1257485), (18424, 1096955), (19270, 1048796), (20090, 1005988), (21404, 944230), (23030, 877564), (26755, 755384), (26978, 749140), (37457, 539560), (38540, 524398), (40180, 502994), (42808, 472115), (46060, 438782), (53510, 377692), (53956, 374570), (67445, 299656), (74914, 269780), (77080, 262199), (80360, 251497), (92120, 219391), (94423, 214040), (107020, 188846), (107912, 187285), (134890, 149828)]