20489160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1511}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 62052480

約数和(自身を除く): 41563320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1511, 1695, 2260, 2712, 3022, 3390, 4520, 4533, 6044, 6780, 7555, 9066, 12088, 13560, 15110, 18132, 22665, 30220, 36264, 45330, 60440, 90660, 170743, 181320, 341486, 512229, 682972, 853715, 1024458, 1365944, 1707430, 2048916, 2561145, 3414860, 4097832, 5122290, 6829720, 10244580, 20489160]

約数ペア:

[(1, 20489160), (2, 10244580), (3, 6829720), (4, 5122290), (5, 4097832), (6, 3414860), (8, 2561145), (10, 2048916), (12, 1707430), (15, 1365944), (20, 1024458), (24, 853715), (30, 682972), (40, 512229), (60, 341486), (113, 181320), (120, 170743), (226, 90660), (339, 60440), (452, 45330), (565, 36264), (678, 30220), (904, 22665), (1130, 18132), (1356, 15110), (1511, 13560), (1695, 12088), (2260, 9066), (2712, 7555), (3022, 6780), (3390, 6044), (4520, 4533)]