20204432625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{17341}}^1$

素因数の和:17611

約数の個数: 64

約数和(自身を含む): 36359930880

約数和(自身を除く): 16155498255

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 239, 325, 375, 717, 975, 1195, 1625, 3107, 3585, 4875, 5975, 9321, 15535, 17341, 17925, 29875, 46605, 52023, 77675, 86705, 89625, 225433, 233025, 260115, 388375, 433525, 676299, 1127165, 1165125, 1300575, 2167625, 3381495, 4144499, 5635825, 6502875, 12433497, 16907475, 20722495, 28179125, 53878487, 62167485, 84537375, 103612475, 161635461, 269392435, 310837425, 518062375, 808177305, 1346962175, 1554187125, 4040886525, 6734810875, 20204432625]

約数ペア:

[(1, 20204432625), (3, 6734810875), (5, 4040886525), (13, 1554187125), (15, 1346962175), (25, 808177305), (39, 518062375), (65, 310837425), (75, 269392435), (125, 161635461), (195, 103612475), (239, 84537375), (325, 62167485), (375, 53878487), (717, 28179125), (975, 20722495), (1195, 16907475), (1625, 12433497), (3107, 6502875), (3585, 5635825), (4875, 4144499), (5975, 3381495), (9321, 2167625), (15535, 1300575), (17341, 1165125), (17925, 1127165), (29875, 676299), (46605, 433525), (52023, 388375), (77675, 260115), (86705, 233025), (89625, 225433)]