20236816880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2549}}^1\times {\mathrm{14177}}^1$

素因数の和:16746

約数の個数: 80

約数和(自身を含む): 53797003200

約数和(自身を除く): 33560186320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2549, 5098, 10196, 12745, 14177, 17843, 20392, 25490, 28354, 35686, 40784, 50980, 56708, 70885, 71372, 89215, 99239, 101960, 113416, 141770, 142744, 178430, 198478, 203920, 226832, 283540, 285488, 356860, 396956, 496195, 567080, 713720, 793912, 992390, 1134160, 1427440, 1587824, 1984780, 3969560, 7939120, 36137173, 72274346, 144548692, 180685865, 252960211, 289097384, 361371730, 505920422, 578194768, 722743460, 1011840844, 1264801055, 1445486920, 2023681688, 2529602110, 2890973840, 4047363376, 5059204220, 10118408440, 20236816880]

約数ペア:

[(1, 20236816880), (2, 10118408440), (4, 5059204220), (5, 4047363376), (7, 2890973840), (8, 2529602110), (10, 2023681688), (14, 1445486920), (16, 1264801055), (20, 1011840844), (28, 722743460), (35, 578194768), (40, 505920422), (56, 361371730), (70, 289097384), (80, 252960211), (112, 180685865), (140, 144548692), (280, 72274346), (560, 36137173), (2549, 7939120), (5098, 3969560), (10196, 1984780), (12745, 1587824), (14177, 1427440), (17843, 1134160), (20392, 992390), (25490, 793912), (28354, 713720), (35686, 567080), (40784, 496195), (50980, 396956), (56708, 356860), (70885, 285488), (71372, 283540), (89215, 226832), (99239, 203920), (101960, 198478), (113416, 178430), (141770, 142744)]