20331200

素因数分解:

$2^6\times 5^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 84

約数和(自身を含む): 50929032

約数和(自身を除く): 30597832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 131, 160, 194, 200, 262, 320, 388, 400, 485, 524, 655, 776, 800, 970, 1048, 1310, 1552, 1600, 1940, 2096, 2425, 2620, 3104, 3275, 3880, 4192, 4850, 5240, 6208, 6550, 7760, 8384, 9700, 10480, 12707, 13100, 15520, 19400, 20960, 25414, 26200, 31040, 38800, 41920, 50828, 52400, 63535, 77600, 101656, 104800, 127070, 155200, 203312, 209600, 254140, 317675, 406624, 508280, 635350, 813248, 1016560, 1270700, 2033120, 2541400, 4066240, 5082800, 10165600, 20331200]

約数ペア:

[(1, 20331200), (2, 10165600), (4, 5082800), (5, 4066240), (8, 2541400), (10, 2033120), (16, 1270700), (20, 1016560), (25, 813248), (32, 635350), (40, 508280), (50, 406624), (64, 317675), (80, 254140), (97, 209600), (100, 203312), (131, 155200), (160, 127070), (194, 104800), (200, 101656), (262, 77600), (320, 63535), (388, 52400), (400, 50828), (485, 41920), (524, 38800), (655, 31040), (776, 26200), (800, 25414), (970, 20960), (1048, 19400), (1310, 15520), (1552, 13100), (1600, 12707), (1940, 10480), (2096, 9700), (2425, 8384), (2620, 7760), (3104, 6550), (3275, 6208), (3880, 5240), (4192, 4850)]