20543669200

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{969041}}^1$

素因数の和:969112

約数の個数: 60

約数和(自身を含む): 50287465548

約数和(自身を除く): 29743796348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 1060, 1325, 2120, 2650, 4240, 5300, 10600, 21200, 969041, 1938082, 3876164, 4845205, 7752328, 9690410, 15504656, 19380820, 24226025, 38761640, 48452050, 51359173, 77523280, 96904100, 102718346, 193808200, 205436692, 256795865, 387616400, 410873384, 513591730, 821746768, 1027183460, 1283979325, 2054366920, 2567958650, 4108733840, 5135917300, 10271834600, 20543669200]

約数ペア:

[(1, 20543669200), (2, 10271834600), (4, 5135917300), (5, 4108733840), (8, 2567958650), (10, 2054366920), (16, 1283979325), (20, 1027183460), (25, 821746768), (40, 513591730), (50, 410873384), (53, 387616400), (80, 256795865), (100, 205436692), (106, 193808200), (200, 102718346), (212, 96904100), (265, 77523280), (400, 51359173), (424, 48452050), (530, 38761640), (848, 24226025), (1060, 19380820), (1325, 15504656), (2120, 9690410), (2650, 7752328), (4240, 4845205), (5300, 3876164), (10600, 1938082), (21200, 969041)]