20734930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 38683008

約数和(自身を除く): 17948078

約数列:

[1, 2, 5, 10, 41, 82, 103, 205, 206, 410, 491, 515, 982, 1030, 2455, 4223, 4910, 8446, 20131, 21115, 40262, 42230, 50573, 100655, 101146, 201310, 252865, 505730, 2073493, 4146986, 10367465, 20734930]

約数ペア:

[(1, 20734930), (2, 10367465), (5, 4146986), (10, 2073493), (41, 505730), (82, 252865), (103, 201310), (205, 101146), (206, 100655), (410, 50573), (491, 42230), (515, 40262), (982, 21115), (1030, 20131), (2455, 8446), (4223, 4910)]