20201940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 72576000

約数和(自身を除く): 52374060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 90, 95, 99, 108, 110, 114, 132, 135, 165, 171, 179, 180, 190, 198, 209, 220, 228, 270, 285, 297, 330, 342, 358, 380, 396, 418, 495, 513, 537, 540, 570, 594, 627, 660, 684, 716, 836, 855, 895, 990, 1026, 1045, 1074, 1140, 1188, 1254, 1485, 1611, 1710, 1790, 1881, 1969, 1980, 2052, 2090, 2148, 2508, 2565, 2685, 2970, 3135, 3222, 3401, 3420, 3580, 3762, 3938, 4180, 4833, 5130, 5370, 5643, 5907, 5940, 6270, 6444, 6802, 7524, 7876, 8055, 9405, 9666, 9845, 10203, 10260, 10740, 11286, 11814, 12540, 13604, 16110, 17005, 17721, 18810, 19332, 19690, 20406, 22572, 23628, 24165, 28215, 29535, 30609, 32220, 34010, 35442, 37411, 37620, 39380, 40812, 48330, 51015, 53163, 56430, 59070, 61218, 68020, 70884, 74822, 88605, 91827, 96660, 102030, 106326, 112233, 112860, 118140, 122436, 149644, 153045, 177210, 183654, 187055, 204060, 212652, 224466, 265815, 306090, 336699, 354420, 367308, 374110, 448932, 459135, 531630, 561165, 612180, 673398, 748220, 918270, 1010097, 1063260, 1122330, 1346796, 1683495, 1836540, 2020194, 2244660, 3366990, 4040388, 5050485, 6733980, 10100970, 20201940]

約数ペア:

[(1, 20201940), (2, 10100970), (3, 6733980), (4, 5050485), (5, 4040388), (6, 3366990), (9, 2244660), (10, 2020194), (11, 1836540), (12, 1683495), (15, 1346796), (18, 1122330), (19, 1063260), (20, 1010097), (22, 918270), (27, 748220), (30, 673398), (33, 612180), (36, 561165), (38, 531630), (44, 459135), (45, 448932), (54, 374110), (55, 367308), (57, 354420), (60, 336699), (66, 306090), (76, 265815), (90, 224466), (95, 212652), (99, 204060), (108, 187055), (110, 183654), (114, 177210), (132, 153045), (135, 149644), (165, 122436), (171, 118140), (179, 112860), (180, 112233), (190, 106326), (198, 102030), (209, 96660), (220, 91827), (228, 88605), (270, 74822), (285, 70884), (297, 68020), (330, 61218), (342, 59070), (358, 56430), (380, 53163), (396, 51015), (418, 48330), (495, 40812), (513, 39380), (537, 37620), (540, 37411), (570, 35442), (594, 34010), (627, 32220), (660, 30609), (684, 29535), (716, 28215), (836, 24165), (855, 23628), (895, 22572), (990, 20406), (1026, 19690), (1045, 19332), (1074, 18810), (1140, 17721), (1188, 17005), (1254, 16110), (1485, 13604), (1611, 12540), (1710, 11814), (1790, 11286), (1881, 10740), (1969, 10260), (1980, 10203), (2052, 9845), (2090, 9666), (2148, 9405), (2508, 8055), (2565, 7876), (2685, 7524), (2970, 6802), (3135, 6444), (3222, 6270), (3401, 5940), (3420, 5907), (3580, 5643), (3762, 5370), (3938, 5130), (4180, 4833)]