20236831720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72274399}}^1$

素因数の和:72274417

約数の個数: 32

約数和(自身を含む): 52037568000

約数和(自身を除く): 31800736280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72274399, 144548798, 289097596, 361371995, 505920793, 578195192, 722743990, 1011841586, 1445487980, 2023683172, 2529603965, 2890975960, 4047366344, 5059207930, 10118415860, 20236831720]

約数ペア:

[(1, 20236831720), (2, 10118415860), (4, 5059207930), (5, 4047366344), (7, 2890975960), (8, 2529603965), (10, 2023683172), (14, 1445487980), (20, 1011841586), (28, 722743990), (35, 578195192), (40, 505920793), (56, 361371995), (70, 289097596), (140, 144548798), (280, 72274399)]