20825709375

素因数分解:

$3^1\times 5^5\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1637}}^1$

素因数の和:1747

約数の個数: 96

約数和(自身を含む): 36852641280

約数和(自身を除く): 16026931905

約数列:

[1, 3, 5, 15, 23, 25, 59, 69, 75, 115, 125, 177, 295, 345, 375, 575, 625, 885, 1357, 1475, 1637, 1725, 1875, 2875, 3125, 4071, 4425, 4911, 6785, 7375, 8185, 8625, 9375, 14375, 20355, 22125, 24555, 33925, 36875, 37651, 40925, 43125, 71875, 96583, 101775, 110625, 112953, 122775, 169625, 184375, 188255, 204625, 215625, 289749, 482915, 508875, 553125, 564765, 613875, 848125, 941275, 1023125, 1448745, 2221409, 2414575, 2544375, 2823825, 3069375, 4240625, 4706375, 5115625, 6664227, 7243725, 11107045, 12072875, 12721875, 14119125, 15346875, 23531875, 33321135, 36218625, 55535225, 60364375, 70595625, 117659375, 166605675, 181093125, 277676125, 301821875, 352978125, 833028375, 905465625, 1388380625, 4165141875, 6941903125, 20825709375]

約数ペア:

[(1, 20825709375), (3, 6941903125), (5, 4165141875), (15, 1388380625), (23, 905465625), (25, 833028375), (59, 352978125), (69, 301821875), (75, 277676125), (115, 181093125), (125, 166605675), (177, 117659375), (295, 70595625), (345, 60364375), (375, 55535225), (575, 36218625), (625, 33321135), (885, 23531875), (1357, 15346875), (1475, 14119125), (1637, 12721875), (1725, 12072875), (1875, 11107045), (2875, 7243725), (3125, 6664227), (4071, 5115625), (4425, 4706375), (4911, 4240625), (6785, 3069375), (7375, 2823825), (8185, 2544375), (8625, 2414575), (9375, 2221409), (14375, 1448745), (20355, 1023125), (22125, 941275), (24555, 848125), (33925, 613875), (36875, 564765), (37651, 553125), (40925, 508875), (43125, 482915), (71875, 289749), (96583, 215625), (101775, 204625), (110625, 188255), (112953, 184375), (122775, 169625)]