20097896

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1453}}^1$

素因数の和:1498

約数の個数: 64

約数和(自身を含む): 48854400

約数和(自身を除く): 28756504

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1453, 1729, 1976, 2906, 3458, 5812, 6916, 10171, 11624, 13832, 18889, 20342, 27607, 37778, 40684, 55214, 75556, 81368, 110428, 132223, 151112, 193249, 220856, 264446, 358891, 386498, 528892, 717782, 772996, 1057784, 1435564, 1545992, 2512237, 2871128, 5024474, 10048948, 20097896]

約数ペア:

[(1, 20097896), (2, 10048948), (4, 5024474), (7, 2871128), (8, 2512237), (13, 1545992), (14, 1435564), (19, 1057784), (26, 772996), (28, 717782), (38, 528892), (52, 386498), (56, 358891), (76, 264446), (91, 220856), (104, 193249), (133, 151112), (152, 132223), (182, 110428), (247, 81368), (266, 75556), (364, 55214), (494, 40684), (532, 37778), (728, 27607), (988, 20342), (1064, 18889), (1453, 13832), (1729, 11624), (1976, 10171), (2906, 6916), (3458, 5812)]