20565692775

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{8969}}^1$

素因数の和:9110

約数の個数: 96

約数和(自身を含む): 39152256000

約数和(自身を除く): 18586563225

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 79, 129, 135, 215, 225, 237, 387, 395, 645, 675, 711, 1075, 1161, 1185, 1935, 1975, 2133, 3225, 3397, 3555, 5805, 5925, 8969, 9675, 10191, 10665, 16985, 17775, 26907, 29025, 30573, 44845, 50955, 53325, 80721, 84925, 91719, 134535, 152865, 224225, 242163, 254775, 385667, 403605, 458595, 672675, 708551, 764325, 1157001, 1210815, 1928335, 2018025, 2125653, 2292975, 3471003, 3542755, 5785005, 6054075, 6376959, 9641675, 10413009, 10628265, 17355015, 17713775, 19130877, 28925025, 30467693, 31884795, 52065045, 53141325, 86775075, 91403079, 95654385, 152338465, 159423975, 260325225, 274209237, 457015395, 478271925, 761692325, 822627711, 1371046185, 2285076975, 4113138555, 6855230925, 20565692775]

約数ペア:

[(1, 20565692775), (3, 6855230925), (5, 4113138555), (9, 2285076975), (15, 1371046185), (25, 822627711), (27, 761692325), (43, 478271925), (45, 457015395), (75, 274209237), (79, 260325225), (129, 159423975), (135, 152338465), (215, 95654385), (225, 91403079), (237, 86775075), (387, 53141325), (395, 52065045), (645, 31884795), (675, 30467693), (711, 28925025), (1075, 19130877), (1161, 17713775), (1185, 17355015), (1935, 10628265), (1975, 10413009), (2133, 9641675), (3225, 6376959), (3397, 6054075), (3555, 5785005), (5805, 3542755), (5925, 3471003), (8969, 2292975), (9675, 2125653), (10191, 2018025), (10665, 1928335), (16985, 1210815), (17775, 1157001), (26907, 764325), (29025, 708551), (30573, 672675), (44845, 458595), (50955, 403605), (53325, 385667), (80721, 254775), (84925, 242163), (91719, 224225), (134535, 152865)]