20046240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13921}}^1$

素因数の和:13942

約数の個数: 72

約数和(自身を含む): 68412708

約数和(自身を除く): 48366468

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13921, 27842, 41763, 55684, 69605, 83526, 111368, 125289, 139210, 167052, 208815, 222736, 250578, 278420, 334104, 417630, 445472, 501156, 556840, 626445, 668208, 835260, 1002312, 1113680, 1252890, 1336416, 1670520, 2004624, 2227360, 2505780, 3341040, 4009248, 5011560, 6682080, 10023120, 20046240]

約数ペア:

[(1, 20046240), (2, 10023120), (3, 6682080), (4, 5011560), (5, 4009248), (6, 3341040), (8, 2505780), (9, 2227360), (10, 2004624), (12, 1670520), (15, 1336416), (16, 1252890), (18, 1113680), (20, 1002312), (24, 835260), (30, 668208), (32, 626445), (36, 556840), (40, 501156), (45, 445472), (48, 417630), (60, 334104), (72, 278420), (80, 250578), (90, 222736), (96, 208815), (120, 167052), (144, 139210), (160, 125289), (180, 111368), (240, 83526), (288, 69605), (360, 55684), (480, 41763), (720, 27842), (1440, 13921)]