20836680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1951}}^1$

素因数の和:2054

約数の個数: 64

約数和(自身を含む): 63244800

約数和(自身を除く): 42408120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 1951, 2136, 2670, 3560, 3902, 5340, 5853, 7804, 9755, 10680, 11706, 15608, 19510, 23412, 29265, 39020, 46824, 58530, 78040, 117060, 173639, 234120, 347278, 520917, 694556, 868195, 1041834, 1389112, 1736390, 2083668, 2604585, 3472780, 4167336, 5209170, 6945560, 10418340, 20836680]

約数ペア:

[(1, 20836680), (2, 10418340), (3, 6945560), (4, 5209170), (5, 4167336), (6, 3472780), (8, 2604585), (10, 2083668), (12, 1736390), (15, 1389112), (20, 1041834), (24, 868195), (30, 694556), (40, 520917), (60, 347278), (89, 234120), (120, 173639), (178, 117060), (267, 78040), (356, 58530), (445, 46824), (534, 39020), (712, 29265), (890, 23412), (1068, 19510), (1335, 15608), (1780, 11706), (1951, 10680), (2136, 9755), (2670, 7804), (3560, 5853), (3902, 5340)]