22117420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 50365728

約数和(自身を除く): 28248308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 331, 514, 662, 1028, 1285, 1324, 1655, 2570, 3310, 3341, 4303, 5140, 6620, 6682, 8606, 13364, 16705, 17212, 21515, 33410, 43030, 66820, 85067, 86060, 170134, 340268, 425335, 850670, 1105871, 1701340, 2211742, 4423484, 5529355, 11058710, 22117420]

約数ペア:

[(1, 22117420), (2, 11058710), (4, 5529355), (5, 4423484), (10, 2211742), (13, 1701340), (20, 1105871), (26, 850670), (52, 425335), (65, 340268), (130, 170134), (257, 86060), (260, 85067), (331, 66820), (514, 43030), (662, 33410), (1028, 21515), (1285, 17212), (1324, 16705), (1655, 13364), (2570, 8606), (3310, 6682), (3341, 6620), (4303, 5140)]