20587069076

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{158699}}^1$

素因数の和:158864

約数の個数: 48

約数和(自身を含む): 42551913600

約数和(自身を除く): 21964844524

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 113, 164, 226, 287, 452, 574, 791, 1148, 1582, 3164, 4633, 9266, 18532, 32431, 64862, 129724, 158699, 317398, 634796, 1110893, 2221786, 4443572, 6506659, 13013318, 17932987, 26026636, 35865974, 45546613, 71731948, 91093226, 125530909, 182186452, 251061818, 502123636, 735252467, 1470504934, 2941009868, 5146767269, 10293534538, 20587069076]

約数ペア:

[(1, 20587069076), (2, 10293534538), (4, 5146767269), (7, 2941009868), (14, 1470504934), (28, 735252467), (41, 502123636), (82, 251061818), (113, 182186452), (164, 125530909), (226, 91093226), (287, 71731948), (452, 45546613), (574, 35865974), (791, 26026636), (1148, 17932987), (1582, 13013318), (3164, 6506659), (4633, 4443572), (9266, 2221786), (18532, 1110893), (32431, 634796), (64862, 317398), (129724, 158699)]