20220851875

素因数分解:

$5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4457}}^1$

素因数の和:4562

約数の個数: 80

約数和(自身を含む): 31084599744

約数和(自身を除く): 10863747869

約数列:

[1, 5, 7, 17, 25, 35, 61, 85, 119, 125, 175, 305, 425, 427, 595, 625, 875, 1037, 1525, 2125, 2135, 2975, 4375, 4457, 5185, 7259, 7625, 10625, 10675, 14875, 22285, 25925, 31199, 36295, 38125, 53375, 74375, 75769, 111425, 129625, 155995, 181475, 266875, 271877, 378845, 530383, 557125, 648125, 779975, 907375, 1359385, 1894225, 1903139, 2651915, 2785625, 3899875, 4536875, 4621909, 6796925, 9471125, 9515695, 13259575, 19499375, 23109545, 32353363, 33984625, 47355625, 47578475, 66297875, 115547725, 161766815, 169923125, 237892375, 331489375, 577738625, 808834075, 1189461875, 2888693125, 4044170375, 20220851875]

約数ペア:

[(1, 20220851875), (5, 4044170375), (7, 2888693125), (17, 1189461875), (25, 808834075), (35, 577738625), (61, 331489375), (85, 237892375), (119, 169923125), (125, 161766815), (175, 115547725), (305, 66297875), (425, 47578475), (427, 47355625), (595, 33984625), (625, 32353363), (875, 23109545), (1037, 19499375), (1525, 13259575), (2125, 9515695), (2135, 9471125), (2975, 6796925), (4375, 4621909), (4457, 4536875), (5185, 3899875), (7259, 2785625), (7625, 2651915), (10625, 1903139), (10675, 1894225), (14875, 1359385), (22285, 907375), (25925, 779975), (31199, 648125), (36295, 557125), (38125, 530383), (53375, 378845), (74375, 271877), (75769, 266875), (111425, 181475), (129625, 155995)]