20018250

素因数分解:

$2^1\times 3^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 192

約数和(自身を含む): 65415168

約数和(自身を除く): 45396918

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 31, 35, 41, 42, 45, 50, 62, 63, 70, 75, 82, 90, 93, 105, 123, 125, 126, 150, 155, 175, 186, 205, 210, 217, 225, 246, 250, 279, 287, 310, 315, 350, 369, 375, 410, 434, 450, 465, 525, 558, 574, 615, 630, 651, 738, 750, 775, 861, 875, 930, 1025, 1050, 1085, 1125, 1230, 1271, 1302, 1395, 1435, 1550, 1575, 1722, 1750, 1845, 1953, 2050, 2170, 2250, 2325, 2542, 2583, 2625, 2790, 2870, 3075, 3150, 3255, 3690, 3813, 3875, 3906, 4305, 4650, 5125, 5166, 5250, 5425, 6150, 6355, 6510, 6975, 7175, 7626, 7750, 7875, 8610, 8897, 9225, 9765, 10250, 10850, 11439, 11625, 12710, 12915, 13950, 14350, 15375, 15750, 16275, 17794, 18450, 19065, 19530, 21525, 22878, 23250, 25830, 26691, 27125, 30750, 31775, 32550, 34875, 35875, 38130, 43050, 44485, 46125, 48825, 53382, 54250, 57195, 63550, 64575, 69750, 71750, 80073, 81375, 88970, 92250, 95325, 97650, 107625, 114390, 129150, 133455, 158875, 160146, 162750, 190650, 215250, 222425, 244125, 266910, 285975, 317750, 322875, 400365, 444850, 476625, 488250, 571950, 645750, 667275, 800730, 953250, 1112125, 1334550, 1429875, 2001825, 2224250, 2859750, 3336375, 4003650, 6672750, 10009125, 20018250]

約数ペア:

[(1, 20018250), (2, 10009125), (3, 6672750), (5, 4003650), (6, 3336375), (7, 2859750), (9, 2224250), (10, 2001825), (14, 1429875), (15, 1334550), (18, 1112125), (21, 953250), (25, 800730), (30, 667275), (31, 645750), (35, 571950), (41, 488250), (42, 476625), (45, 444850), (50, 400365), (62, 322875), (63, 317750), (70, 285975), (75, 266910), (82, 244125), (90, 222425), (93, 215250), (105, 190650), (123, 162750), (125, 160146), (126, 158875), (150, 133455), (155, 129150), (175, 114390), (186, 107625), (205, 97650), (210, 95325), (217, 92250), (225, 88970), (246, 81375), (250, 80073), (279, 71750), (287, 69750), (310, 64575), (315, 63550), (350, 57195), (369, 54250), (375, 53382), (410, 48825), (434, 46125), (450, 44485), (465, 43050), (525, 38130), (558, 35875), (574, 34875), (615, 32550), (630, 31775), (651, 30750), (738, 27125), (750, 26691), (775, 25830), (861, 23250), (875, 22878), (930, 21525), (1025, 19530), (1050, 19065), (1085, 18450), (1125, 17794), (1230, 16275), (1271, 15750), (1302, 15375), (1395, 14350), (1435, 13950), (1550, 12915), (1575, 12710), (1722, 11625), (1750, 11439), (1845, 10850), (1953, 10250), (2050, 9765), (2170, 9225), (2250, 8897), (2325, 8610), (2542, 7875), (2583, 7750), (2625, 7626), (2790, 7175), (2870, 6975), (3075, 6510), (3150, 6355), (3255, 6150), (3690, 5425), (3813, 5250), (3875, 5166), (3906, 5125), (4305, 4650)]