20822360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1741}}^1$

素因数の和:1788

約数の個数: 64

約数和(自身を含む): 52678080

約数和(自身を除く): 31855720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 1741, 2392, 2990, 3482, 5980, 6964, 8705, 11960, 13928, 17410, 22633, 34820, 40043, 45266, 69640, 80086, 90532, 113165, 160172, 181064, 200215, 226330, 320344, 400430, 452660, 520559, 800860, 905320, 1041118, 1601720, 2082236, 2602795, 4164472, 5205590, 10411180, 20822360]

約数ペア:

[(1, 20822360), (2, 10411180), (4, 5205590), (5, 4164472), (8, 2602795), (10, 2082236), (13, 1601720), (20, 1041118), (23, 905320), (26, 800860), (40, 520559), (46, 452660), (52, 400430), (65, 320344), (92, 226330), (104, 200215), (115, 181064), (130, 160172), (184, 113165), (230, 90532), (260, 80086), (299, 69640), (460, 45266), (520, 40043), (598, 34820), (920, 22633), (1196, 17410), (1495, 13928), (1741, 11960), (2392, 8705), (2990, 6964), (3482, 5980)]