20166880

素因数分解:

$2^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{523}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 47933424

約数和(自身を除く): 27766544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 241, 482, 523, 964, 1046, 1205, 1928, 2092, 2410, 2615, 3856, 4184, 4820, 5230, 7712, 8368, 9640, 10460, 16736, 19280, 20920, 38560, 41840, 83680, 126043, 252086, 504172, 630215, 1008344, 1260430, 2016688, 2520860, 4033376, 5041720, 10083440, 20166880]

約数ペア:

[(1, 20166880), (2, 10083440), (4, 5041720), (5, 4033376), (8, 2520860), (10, 2016688), (16, 1260430), (20, 1008344), (32, 630215), (40, 504172), (80, 252086), (160, 126043), (241, 83680), (482, 41840), (523, 38560), (964, 20920), (1046, 19280), (1205, 16736), (1928, 10460), (2092, 9640), (2410, 8368), (2615, 7712), (3856, 5230), (4184, 4820)]