20824284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1019}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 31954596

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 156, 262, 393, 524, 786, 1019, 1572, 1703, 2038, 3057, 3406, 4076, 5109, 6114, 6812, 10218, 12228, 13247, 20436, 26494, 39741, 52988, 79482, 133489, 158964, 266978, 400467, 533956, 800934, 1601868, 1735357, 3470714, 5206071, 6941428, 10412142, 20824284]

約数ペア:

[(1, 20824284), (2, 10412142), (3, 6941428), (4, 5206071), (6, 3470714), (12, 1735357), (13, 1601868), (26, 800934), (39, 533956), (52, 400467), (78, 266978), (131, 158964), (156, 133489), (262, 79482), (393, 52988), (524, 39741), (786, 26494), (1019, 20436), (1572, 13247), (1703, 12228), (2038, 10218), (3057, 6812), (3406, 6114), (4076, 5109)]