20210911772

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{191}}^2\times {\mathrm{3221}}^1$

素因数の和:3650

約数の個数: 36

約数和(自身を含む): 36393405048

約数和(自身を除く): 16182493276

約数列:

[1, 2, 4, 43, 86, 172, 191, 382, 764, 3221, 6442, 8213, 12884, 16426, 32852, 36481, 72962, 138503, 145924, 277006, 554012, 615211, 1230422, 1568683, 2460844, 3137366, 6274732, 26454073, 52908146, 105816292, 117505301, 235010602, 470021204, 5052727943, 10105455886, 20210911772]

約数ペア:

[(1, 20210911772), (2, 10105455886), (4, 5052727943), (43, 470021204), (86, 235010602), (172, 117505301), (191, 105816292), (382, 52908146), (764, 26454073), (3221, 6274732), (6442, 3137366), (8213, 2460844), (12884, 1568683), (16426, 1230422), (32852, 615211), (36481, 554012), (72962, 277006), (138503, 145924)]