20165202564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{986749}}^1$

素因数の和:986900

約数の個数: 48

約数和(自身を含む): 51058392000

約数和(自身を除く): 30893189436

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 156, 262, 393, 524, 786, 1572, 1703, 3406, 5109, 6812, 10218, 20436, 986749, 1973498, 2960247, 3946996, 5920494, 11840988, 12827737, 25655474, 38483211, 51310948, 76966422, 129264119, 153932844, 258528238, 387792357, 517056476, 775584714, 1551169428, 1680433547, 3360867094, 5041300641, 6721734188, 10082601282, 20165202564]

約数ペア:

[(1, 20165202564), (2, 10082601282), (3, 6721734188), (4, 5041300641), (6, 3360867094), (12, 1680433547), (13, 1551169428), (26, 775584714), (39, 517056476), (52, 387792357), (78, 258528238), (131, 153932844), (156, 129264119), (262, 76966422), (393, 51310948), (524, 38483211), (786, 25655474), (1572, 12827737), (1703, 11840988), (3406, 5920494), (5109, 3946996), (6812, 2960247), (10218, 1973498), (20436, 986749)]