20225082225

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 34872768000

約数和(自身を除く): 14647685775

約数列:

[1, 3, 5, 15, 25, 53, 61, 75, 159, 183, 239, 265, 305, 349, 717, 795, 915, 1047, 1195, 1325, 1525, 1745, 3233, 3585, 3975, 4575, 5235, 5975, 8725, 9699, 12667, 14579, 16165, 17925, 18497, 21289, 26175, 38001, 43737, 48495, 55491, 63335, 63867, 72895, 80825, 83411, 92485, 106445, 190005, 218685, 242475, 250233, 277455, 316675, 319335, 364475, 417055, 462425, 532225, 772687, 950025, 1093425, 1128317, 1251165, 1387275, 1596675, 2085275, 2318061, 3384951, 3863435, 4420783, 5088071, 5641585, 6255825, 11590305, 13262349, 15264213, 16924755, 19317175, 22103915, 25440355, 28207925, 57951525, 66311745, 76321065, 84623775, 110519575, 127201775, 269667763, 331558725, 381605325, 809003289, 1348338815, 4045016445, 6741694075, 20225082225]

約数ペア:

[(1, 20225082225), (3, 6741694075), (5, 4045016445), (15, 1348338815), (25, 809003289), (53, 381605325), (61, 331558725), (75, 269667763), (159, 127201775), (183, 110519575), (239, 84623775), (265, 76321065), (305, 66311745), (349, 57951525), (717, 28207925), (795, 25440355), (915, 22103915), (1047, 19317175), (1195, 16924755), (1325, 15264213), (1525, 13262349), (1745, 11590305), (3233, 6255825), (3585, 5641585), (3975, 5088071), (4575, 4420783), (5235, 3863435), (5975, 3384951), (8725, 2318061), (9699, 2085275), (12667, 1596675), (14579, 1387275), (16165, 1251165), (17925, 1128317), (18497, 1093425), (21289, 950025), (26175, 772687), (38001, 532225), (43737, 462425), (48495, 417055), (55491, 364475), (63335, 319335), (63867, 316675), (72895, 277455), (80825, 250233), (83411, 242475), (92485, 218685), (106445, 190005)]