20661396144

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{401161}}^1$

素因数の和:401238

約数の個数: 80

約数和(自身を含む): 56708260320

約数和(自身を除く): 36046864176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 37, 48, 58, 74, 87, 111, 116, 148, 174, 222, 232, 296, 348, 444, 464, 592, 696, 888, 1073, 1392, 1776, 2146, 3219, 4292, 6438, 8584, 12876, 17168, 25752, 51504, 401161, 802322, 1203483, 1604644, 2406966, 3209288, 4813932, 6418576, 9627864, 11633669, 14842957, 19255728, 23267338, 29685914, 34901007, 44528871, 46534676, 59371828, 69802014, 89057742, 93069352, 118743656, 139604028, 178115484, 186138704, 237487312, 279208056, 356230968, 430445753, 558416112, 712461936, 860891506, 1291337259, 1721783012, 2582674518, 3443566024, 5165349036, 6887132048, 10330698072, 20661396144]

約数ペア:

[(1, 20661396144), (2, 10330698072), (3, 6887132048), (4, 5165349036), (6, 3443566024), (8, 2582674518), (12, 1721783012), (16, 1291337259), (24, 860891506), (29, 712461936), (37, 558416112), (48, 430445753), (58, 356230968), (74, 279208056), (87, 237487312), (111, 186138704), (116, 178115484), (148, 139604028), (174, 118743656), (222, 93069352), (232, 89057742), (296, 69802014), (348, 59371828), (444, 46534676), (464, 44528871), (592, 34901007), (696, 29685914), (888, 23267338), (1073, 19255728), (1392, 14842957), (1776, 11633669), (2146, 9627864), (3219, 6418576), (4292, 4813932), (6438, 3209288), (8584, 2406966), (12876, 1604644), (17168, 1203483), (25752, 802322), (51504, 401161)]