20847660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15107}}^1$

素因数の和:15142

約数の個数: 48

約数和(自身を含む): 60915456

約数和(自身を除く): 40067796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15107, 30214, 45321, 60428, 75535, 90642, 151070, 181284, 226605, 302140, 347461, 453210, 694922, 906420, 1042383, 1389844, 1737305, 2084766, 3474610, 4169532, 5211915, 6949220, 10423830, 20847660]

約数ペア:

[(1, 20847660), (2, 10423830), (3, 6949220), (4, 5211915), (5, 4169532), (6, 3474610), (10, 2084766), (12, 1737305), (15, 1389844), (20, 1042383), (23, 906420), (30, 694922), (46, 453210), (60, 347461), (69, 302140), (92, 226605), (115, 181284), (138, 151070), (230, 90642), (276, 75535), (345, 60428), (460, 45321), (690, 30214), (1380, 15107)]