16861780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64853}}^1$

素因数の和:64875

約数の個数: 24

約数和(自身を含む): 38134152

約数和(自身を除く): 21272372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64853, 129706, 259412, 324265, 648530, 843089, 1297060, 1686178, 3372356, 4215445, 8430890, 16861780]

約数ペア:

[(1, 16861780), (2, 8430890), (4, 4215445), (5, 3372356), (10, 1686178), (13, 1297060), (20, 843089), (26, 648530), (52, 324265), (65, 259412), (130, 129706), (260, 64853)]