20543560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27031}}^1$

素因数の和:27061

約数の個数: 32

約数和(自身を含む): 48657600

約数和(自身を除く): 28114040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 27031, 54062, 108124, 135155, 216248, 270310, 513589, 540620, 1027178, 1081240, 2054356, 2567945, 4108712, 5135890, 10271780, 20543560]

約数ペア:

[(1, 20543560), (2, 10271780), (4, 5135890), (5, 4108712), (8, 2567945), (10, 2054356), (19, 1081240), (20, 1027178), (38, 540620), (40, 513589), (76, 270310), (95, 216248), (152, 135155), (190, 108124), (380, 54062), (760, 27031)]