20662460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11353}}^1$

素因数の和:11382

約数の個数: 48

約数和(自身を含む): 53409216

約数和(自身を除く): 32746756

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 11353, 22706, 45412, 56765, 79471, 113530, 147589, 158942, 227060, 295178, 317884, 397355, 590356, 737945, 794710, 1033123, 1475890, 1589420, 2066246, 2951780, 4132492, 5165615, 10331230, 20662460]

約数ペア:

[(1, 20662460), (2, 10331230), (4, 5165615), (5, 4132492), (7, 2951780), (10, 2066246), (13, 1589420), (14, 1475890), (20, 1033123), (26, 794710), (28, 737945), (35, 590356), (52, 397355), (65, 317884), (70, 295178), (91, 227060), (130, 158942), (140, 147589), (182, 113530), (260, 79471), (364, 56765), (455, 45412), (910, 22706), (1820, 11353)]