20910064

素因数分解:

$2^4\times 7^2\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:350

約数の個数: 60

約数和(自身を含む): 47709000

約数和(自身を除く): 26798936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 149, 179, 196, 298, 358, 392, 596, 716, 784, 1043, 1192, 1253, 1432, 2086, 2384, 2506, 2864, 4172, 5012, 7301, 8344, 8771, 10024, 14602, 16688, 17542, 20048, 26671, 29204, 35084, 53342, 58408, 70168, 106684, 116816, 140336, 186697, 213368, 373394, 426736, 746788, 1306879, 1493576, 2613758, 2987152, 5227516, 10455032, 20910064]

約数ペア:

[(1, 20910064), (2, 10455032), (4, 5227516), (7, 2987152), (8, 2613758), (14, 1493576), (16, 1306879), (28, 746788), (49, 426736), (56, 373394), (98, 213368), (112, 186697), (149, 140336), (179, 116816), (196, 106684), (298, 70168), (358, 58408), (392, 53342), (596, 35084), (716, 29204), (784, 26671), (1043, 20048), (1192, 17542), (1253, 16688), (1432, 14602), (2086, 10024), (2384, 8771), (2506, 8344), (2864, 7301), (4172, 5012)]