20996870475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{4409}}^1$

素因数の和:4669

約数の個数: 96

約数和(自身を含む): 40737392640

約数和(自身を除く): 19740522165

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 75, 105, 141, 175, 193, 235, 329, 525, 579, 705, 965, 987, 1175, 1351, 1645, 2895, 3525, 4053, 4409, 4825, 4935, 6755, 8225, 9071, 13227, 14475, 20265, 22045, 24675, 27213, 30863, 33775, 45355, 63497, 66135, 92589, 101325, 110225, 136065, 154315, 190491, 207223, 226775, 317485, 330675, 462945, 621669, 680325, 771575, 850937, 952455, 1036115, 1450561, 1587425, 2314725, 2552811, 3108345, 4254685, 4351683, 4762275, 5180575, 5956559, 7252805, 12764055, 15541725, 17869677, 21273425, 21758415, 29782795, 36264025, 39994039, 63820275, 89348385, 108792075, 119982117, 148913975, 199970195, 279958273, 446741925, 599910585, 839874819, 999850975, 1399791365, 2999552925, 4199374095, 6998956825, 20996870475]

約数ペア:

[(1, 20996870475), (3, 6998956825), (5, 4199374095), (7, 2999552925), (15, 1399791365), (21, 999850975), (25, 839874819), (35, 599910585), (47, 446741925), (75, 279958273), (105, 199970195), (141, 148913975), (175, 119982117), (193, 108792075), (235, 89348385), (329, 63820275), (525, 39994039), (579, 36264025), (705, 29782795), (965, 21758415), (987, 21273425), (1175, 17869677), (1351, 15541725), (1645, 12764055), (2895, 7252805), (3525, 5956559), (4053, 5180575), (4409, 4762275), (4825, 4351683), (4935, 4254685), (6755, 3108345), (8225, 2552811), (9071, 2314725), (13227, 1587425), (14475, 1450561), (20265, 1036115), (22045, 952455), (24675, 850937), (27213, 771575), (30863, 680325), (33775, 621669), (45355, 462945), (63497, 330675), (66135, 317485), (92589, 226775), (101325, 207223), (110225, 190491), (136065, 154315)]