20642664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 64512000

約数和(自身を除く): 43869336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 29, 38, 42, 56, 57, 58, 76, 84, 87, 114, 116, 133, 152, 168, 174, 203, 223, 228, 232, 266, 348, 399, 406, 446, 456, 532, 551, 609, 669, 696, 798, 812, 892, 1064, 1102, 1218, 1338, 1561, 1596, 1624, 1653, 1784, 2204, 2436, 2676, 3122, 3192, 3306, 3857, 4237, 4408, 4683, 4872, 5352, 6244, 6467, 6612, 7714, 8474, 9366, 11571, 12488, 12711, 12934, 13224, 15428, 16948, 18732, 19401, 23142, 25422, 25868, 29659, 30856, 33896, 37464, 38802, 45269, 46284, 50844, 51736, 59318, 77604, 88977, 90538, 92568, 101688, 118636, 122873, 135807, 155208, 177954, 181076, 237272, 245746, 271614, 355908, 362152, 368619, 491492, 543228, 711816, 737238, 860111, 982984, 1086456, 1474476, 1720222, 2580333, 2948952, 3440444, 5160666, 6880888, 10321332, 20642664]

約数ペア:

[(1, 20642664), (2, 10321332), (3, 6880888), (4, 5160666), (6, 3440444), (7, 2948952), (8, 2580333), (12, 1720222), (14, 1474476), (19, 1086456), (21, 982984), (24, 860111), (28, 737238), (29, 711816), (38, 543228), (42, 491492), (56, 368619), (57, 362152), (58, 355908), (76, 271614), (84, 245746), (87, 237272), (114, 181076), (116, 177954), (133, 155208), (152, 135807), (168, 122873), (174, 118636), (203, 101688), (223, 92568), (228, 90538), (232, 88977), (266, 77604), (348, 59318), (399, 51736), (406, 50844), (446, 46284), (456, 45269), (532, 38802), (551, 37464), (609, 33896), (669, 30856), (696, 29659), (798, 25868), (812, 25422), (892, 23142), (1064, 19401), (1102, 18732), (1218, 16948), (1338, 15428), (1561, 13224), (1596, 12934), (1624, 12711), (1653, 12488), (1784, 11571), (2204, 9366), (2436, 8474), (2676, 7714), (3122, 6612), (3192, 6467), (3306, 6244), (3857, 5352), (4237, 4872), (4408, 4683)]