20184847616

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{383}}^1\times {\mathrm{1621}}^1$

素因数の和:2147

約数の個数: 72

約数和(自身を含む): 40739241984

約数和(自身を除く): 20554394368

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 383, 508, 766, 1016, 1532, 1621, 2032, 3064, 3242, 4064, 6128, 6484, 8128, 12256, 12968, 16256, 24512, 25936, 32512, 48641, 49024, 51872, 97282, 98048, 103744, 194564, 205867, 207488, 389128, 411734, 414976, 620843, 778256, 823468, 1241686, 1556512, 1646936, 2483372, 3113024, 3293872, 4966744, 6226048, 6587744, 9933488, 12452096, 13175488, 19866976, 26350976, 39733952, 52701952, 78847061, 79467904, 157694122, 158935808, 315388244, 630776488, 1261552976, 2523105952, 5046211904, 10092423808, 20184847616]

約数ペア:

[(1, 20184847616), (2, 10092423808), (4, 5046211904), (8, 2523105952), (16, 1261552976), (32, 630776488), (64, 315388244), (127, 158935808), (128, 157694122), (254, 79467904), (256, 78847061), (383, 52701952), (508, 39733952), (766, 26350976), (1016, 19866976), (1532, 13175488), (1621, 12452096), (2032, 9933488), (3064, 6587744), (3242, 6226048), (4064, 4966744), (6128, 3293872), (6484, 3113024), (8128, 2483372), (12256, 1646936), (12968, 1556512), (16256, 1241686), (24512, 823468), (25936, 778256), (32512, 620843), (48641, 414976), (49024, 411734), (51872, 389128), (97282, 207488), (98048, 205867), (103744, 194564)]