20356770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 59719680

約数和(自身を除く): 39362910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 53, 59, 62, 70, 93, 105, 106, 118, 155, 159, 177, 186, 210, 217, 265, 295, 310, 318, 354, 371, 413, 434, 465, 530, 590, 651, 742, 795, 826, 885, 930, 1085, 1113, 1239, 1302, 1590, 1643, 1770, 1829, 1855, 2065, 2170, 2226, 2478, 3127, 3255, 3286, 3658, 3710, 4130, 4929, 5487, 5565, 6195, 6254, 6510, 8215, 9145, 9381, 9858, 10974, 11130, 11501, 12390, 12803, 15635, 16430, 18290, 18762, 21889, 23002, 24645, 25606, 27435, 31270, 34503, 38409, 43778, 46905, 49290, 54870, 57505, 64015, 65667, 69006, 76818, 93810, 96937, 109445, 115010, 128030, 131334, 172515, 192045, 193874, 218890, 290811, 328335, 345030, 384090, 484685, 581622, 656670, 678559, 969370, 1357118, 1454055, 2035677, 2908110, 3392795, 4071354, 6785590, 10178385, 20356770]

約数ペア:

[(1, 20356770), (2, 10178385), (3, 6785590), (5, 4071354), (6, 3392795), (7, 2908110), (10, 2035677), (14, 1454055), (15, 1357118), (21, 969370), (30, 678559), (31, 656670), (35, 581622), (42, 484685), (53, 384090), (59, 345030), (62, 328335), (70, 290811), (93, 218890), (105, 193874), (106, 192045), (118, 172515), (155, 131334), (159, 128030), (177, 115010), (186, 109445), (210, 96937), (217, 93810), (265, 76818), (295, 69006), (310, 65667), (318, 64015), (354, 57505), (371, 54870), (413, 49290), (434, 46905), (465, 43778), (530, 38409), (590, 34503), (651, 31270), (742, 27435), (795, 25606), (826, 24645), (885, 23002), (930, 21889), (1085, 18762), (1113, 18290), (1239, 16430), (1302, 15635), (1590, 12803), (1643, 12390), (1770, 11501), (1829, 11130), (1855, 10974), (2065, 9858), (2170, 9381), (2226, 9145), (2478, 8215), (3127, 6510), (3255, 6254), (3286, 6195), (3658, 5565), (3710, 5487), (4130, 4929)]