20941560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58171}}^1$

素因数の和:58188

約数の個数: 48

約数和(自身を含む): 68061240

約数和(自身を除く): 47119680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58171, 116342, 174513, 232684, 290855, 349026, 465368, 523539, 581710, 698052, 872565, 1047078, 1163420, 1396104, 1745130, 2094156, 2326840, 2617695, 3490260, 4188312, 5235390, 6980520, 10470780, 20941560]

約数ペア:

[(1, 20941560), (2, 10470780), (3, 6980520), (4, 5235390), (5, 4188312), (6, 3490260), (8, 2617695), (9, 2326840), (10, 2094156), (12, 1745130), (15, 1396104), (18, 1163420), (20, 1047078), (24, 872565), (30, 698052), (36, 581710), (40, 523539), (45, 465368), (60, 349026), (72, 290855), (90, 232684), (120, 174513), (180, 116342), (360, 58171)]