20199371175

素因数分解:

$3^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{271}}^1\times {\mathrm{1289}}^1$

素因数の和:1833

約数の個数: 72

約数和(自身を含む): 36482397120

約数和(自身を除く): 16283025945

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 257, 271, 771, 813, 1285, 1289, 1355, 2313, 2439, 3855, 3867, 4065, 6425, 6445, 6775, 11565, 11601, 12195, 19275, 19335, 20325, 32225, 57825, 58005, 60975, 69647, 96675, 208941, 290025, 331273, 348235, 349319, 626823, 993819, 1044705, 1047957, 1656365, 1741175, 1746595, 2981457, 3134115, 3143871, 4969095, 5223525, 5239785, 8281825, 8732975, 14907285, 15670575, 15719355, 24845475, 26198925, 74536425, 78596775, 89774983, 269324949, 448874915, 807974847, 1346624745, 2244374575, 4039874235, 6733123725, 20199371175]

約数ペア:

[(1, 20199371175), (3, 6733123725), (5, 4039874235), (9, 2244374575), (15, 1346624745), (25, 807974847), (45, 448874915), (75, 269324949), (225, 89774983), (257, 78596775), (271, 74536425), (771, 26198925), (813, 24845475), (1285, 15719355), (1289, 15670575), (1355, 14907285), (2313, 8732975), (2439, 8281825), (3855, 5239785), (3867, 5223525), (4065, 4969095), (6425, 3143871), (6445, 3134115), (6775, 2981457), (11565, 1746595), (11601, 1741175), (12195, 1656365), (19275, 1047957), (19335, 1044705), (20325, 993819), (32225, 626823), (57825, 349319), (58005, 348235), (60975, 331273), (69647, 290025), (96675, 208941)]