20532240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28517}}^1$

素因数の和:28536

約数の個数: 60

約数和(自身を含む): 68956524

約数和(自身を除く): 48424284

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28517, 57034, 85551, 114068, 142585, 171102, 228136, 256653, 285170, 342204, 427755, 456272, 513306, 570340, 684408, 855510, 1026612, 1140680, 1283265, 1368816, 1711020, 2053224, 2281360, 2566530, 3422040, 4106448, 5133060, 6844080, 10266120, 20532240]

約数ペア:

[(1, 20532240), (2, 10266120), (3, 6844080), (4, 5133060), (5, 4106448), (6, 3422040), (8, 2566530), (9, 2281360), (10, 2053224), (12, 1711020), (15, 1368816), (16, 1283265), (18, 1140680), (20, 1026612), (24, 855510), (30, 684408), (36, 570340), (40, 513306), (45, 456272), (48, 427755), (60, 342204), (72, 285170), (80, 256653), (90, 228136), (120, 171102), (144, 142585), (180, 114068), (240, 85551), (360, 57034), (720, 28517)]