20215622025

素因数分解:

$3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{593}}^1\times {\mathrm{1471}}^1$

素因数の和:2183

約数の個数: 72

約数和(自身を含む): 36646511616

約数和(自身を除く): 16430889591

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 225, 309, 515, 593, 927, 1471, 1545, 1779, 2575, 2965, 4413, 4635, 5337, 7355, 7725, 8895, 13239, 14825, 22065, 23175, 26685, 36775, 44475, 61079, 66195, 110325, 133425, 151513, 183237, 305395, 330975, 454539, 549711, 757565, 872303, 916185, 1363617, 1526975, 2272695, 2616909, 2748555, 3787825, 4361515, 4580925, 6818085, 7850727, 11363475, 13084545, 13742775, 21807575, 34090425, 39253635, 65422725, 89847209, 196268175, 269541627, 449236045, 808624881, 1347708135, 2246180225, 4043124405, 6738540675, 20215622025]

約数ペア:

[(1, 20215622025), (3, 6738540675), (5, 4043124405), (9, 2246180225), (15, 1347708135), (25, 808624881), (45, 449236045), (75, 269541627), (103, 196268175), (225, 89847209), (309, 65422725), (515, 39253635), (593, 34090425), (927, 21807575), (1471, 13742775), (1545, 13084545), (1779, 11363475), (2575, 7850727), (2965, 6818085), (4413, 4580925), (4635, 4361515), (5337, 3787825), (7355, 2748555), (7725, 2616909), (8895, 2272695), (13239, 1526975), (14825, 1363617), (22065, 916185), (23175, 872303), (26685, 757565), (36775, 549711), (44475, 454539), (61079, 330975), (66195, 305395), (110325, 183237), (133425, 151513)]