20711221750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 41284204416

約数和(自身を除く): 20572982666

約数列:

[1, 2, 5, 10, 25, 37, 41, 50, 74, 82, 97, 125, 185, 194, 205, 250, 370, 410, 485, 563, 925, 970, 1025, 1126, 1517, 1850, 2050, 2425, 2815, 3034, 3589, 3977, 4625, 4850, 5125, 5630, 7178, 7585, 7954, 9250, 10250, 12125, 14075, 15170, 17945, 19885, 20831, 23083, 24250, 28150, 35890, 37925, 39770, 41662, 46166, 54611, 70375, 75850, 89725, 99425, 104155, 109222, 115415, 140750, 147149, 179450, 189625, 198850, 208310, 230830, 273055, 294298, 379250, 448625, 497125, 520775, 546110, 577075, 735745, 854071, 897250, 994250, 1041550, 1154150, 1365275, 1471490, 1708142, 2020607, 2239051, 2603875, 2730550, 2885375, 3678725, 4041214, 4270355, 4478102, 5207750, 5770750, 6826375, 7357450, 8540710, 10103035, 11195255, 13652750, 18393625, 20206070, 21351775, 22390510, 36787250, 42703550, 50515175, 55976275, 82844887, 101030350, 106758875, 111952550, 165689774, 213517750, 252575875, 279881375, 414224435, 505151750, 559762750, 828448870, 2071122175, 4142244350, 10355610875, 20711221750]

約数ペア:

[(1, 20711221750), (2, 10355610875), (5, 4142244350), (10, 2071122175), (25, 828448870), (37, 559762750), (41, 505151750), (50, 414224435), (74, 279881375), (82, 252575875), (97, 213517750), (125, 165689774), (185, 111952550), (194, 106758875), (205, 101030350), (250, 82844887), (370, 55976275), (410, 50515175), (485, 42703550), (563, 36787250), (925, 22390510), (970, 21351775), (1025, 20206070), (1126, 18393625), (1517, 13652750), (1850, 11195255), (2050, 10103035), (2425, 8540710), (2815, 7357450), (3034, 6826375), (3589, 5770750), (3977, 5207750), (4625, 4478102), (4850, 4270355), (5125, 4041214), (5630, 3678725), (7178, 2885375), (7585, 2730550), (7954, 2603875), (9250, 2239051), (10250, 2020607), (12125, 1708142), (14075, 1471490), (15170, 1365275), (17945, 1154150), (19885, 1041550), (20831, 994250), (23083, 897250), (24250, 854071), (28150, 735745), (35890, 577075), (37925, 546110), (39770, 520775), (41662, 497125), (46166, 448625), (54611, 379250), (70375, 294298), (75850, 273055), (89725, 230830), (99425, 208310), (104155, 198850), (109222, 189625), (115415, 179450), (140750, 147149)]