20129265720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18638209}}^1$

素因数の和:18638229

約数の個数: 64

約数和(自身を含む): 67097556000

約数和(自身を除く): 46968290280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18638209, 37276418, 55914627, 74552836, 93191045, 111829254, 149105672, 167743881, 186382090, 223658508, 279573135, 335487762, 372764180, 447317016, 503231643, 559146270, 670975524, 745528360, 838719405, 1006463286, 1118292540, 1341951048, 1677438810, 2012926572, 2236585080, 2516158215, 3354877620, 4025853144, 5032316430, 6709755240, 10064632860, 20129265720]

約数ペア:

[(1, 20129265720), (2, 10064632860), (3, 6709755240), (4, 5032316430), (5, 4025853144), (6, 3354877620), (8, 2516158215), (9, 2236585080), (10, 2012926572), (12, 1677438810), (15, 1341951048), (18, 1118292540), (20, 1006463286), (24, 838719405), (27, 745528360), (30, 670975524), (36, 559146270), (40, 503231643), (45, 447317016), (54, 372764180), (60, 335487762), (72, 279573135), (90, 223658508), (108, 186382090), (120, 167743881), (135, 149105672), (180, 111829254), (216, 93191045), (270, 74552836), (360, 55914627), (540, 37276418), (1080, 18638209)]