20808101888

素因数分解:

$2^{12}\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13693}}^1$

素因数の和:13777

約数の個数: 104

約数和(自身を含む): 48456383328

約数和(自身を除く): 27648281440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 256, 371, 424, 448, 512, 742, 848, 896, 1024, 1484, 1696, 1792, 2048, 2968, 3392, 3584, 4096, 5936, 6784, 7168, 11872, 13568, 13693, 14336, 23744, 27136, 27386, 28672, 47488, 54272, 54772, 94976, 95851, 108544, 109544, 189952, 191702, 217088, 219088, 379904, 383404, 438176, 725729, 759808, 766808, 876352, 1451458, 1519616, 1533616, 1752704, 2902916, 3067232, 3505408, 5080103, 5805832, 6134464, 7010816, 10160206, 11611664, 12268928, 14021632, 20320412, 23223328, 24537856, 28043264, 40640824, 46446656, 49075712, 56086528, 81281648, 92893312, 98151424, 162563296, 185786624, 196302848, 325126592, 371573248, 392605696, 650253184, 743146496, 1300506368, 1486292992, 2601012736, 2972585984, 5202025472, 10404050944, 20808101888]

約数ペア:

[(1, 20808101888), (2, 10404050944), (4, 5202025472), (7, 2972585984), (8, 2601012736), (14, 1486292992), (16, 1300506368), (28, 743146496), (32, 650253184), (53, 392605696), (56, 371573248), (64, 325126592), (106, 196302848), (112, 185786624), (128, 162563296), (212, 98151424), (224, 92893312), (256, 81281648), (371, 56086528), (424, 49075712), (448, 46446656), (512, 40640824), (742, 28043264), (848, 24537856), (896, 23223328), (1024, 20320412), (1484, 14021632), (1696, 12268928), (1792, 11611664), (2048, 10160206), (2968, 7010816), (3392, 6134464), (3584, 5805832), (4096, 5080103), (5936, 3505408), (6784, 3067232), (7168, 2902916), (11872, 1752704), (13568, 1533616), (13693, 1519616), (14336, 1451458), (23744, 876352), (27136, 766808), (27386, 759808), (28672, 725729), (47488, 438176), (54272, 383404), (54772, 379904), (94976, 219088), (95851, 217088), (108544, 191702), (109544, 189952)]