20451528

素因数分解:

$2^3\times 3^4\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 58900380

約数和(自身を除く): 38448852

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 81, 108, 111, 148, 162, 216, 222, 296, 324, 333, 444, 648, 666, 853, 888, 999, 1332, 1706, 1998, 2559, 2664, 2997, 3412, 3996, 5118, 5994, 6824, 7677, 7992, 10236, 11988, 15354, 20472, 23031, 23976, 30708, 31561, 46062, 61416, 63122, 69093, 92124, 94683, 126244, 138186, 184248, 189366, 252488, 276372, 284049, 378732, 552744, 568098, 757464, 852147, 1136196, 1704294, 2272392, 2556441, 3408588, 5112882, 6817176, 10225764, 20451528]

約数ペア:

[(1, 20451528), (2, 10225764), (3, 6817176), (4, 5112882), (6, 3408588), (8, 2556441), (9, 2272392), (12, 1704294), (18, 1136196), (24, 852147), (27, 757464), (36, 568098), (37, 552744), (54, 378732), (72, 284049), (74, 276372), (81, 252488), (108, 189366), (111, 184248), (148, 138186), (162, 126244), (216, 94683), (222, 92124), (296, 69093), (324, 63122), (333, 61416), (444, 46062), (648, 31561), (666, 30708), (853, 23976), (888, 23031), (999, 20472), (1332, 15354), (1706, 11988), (1998, 10236), (2559, 7992), (2664, 7677), (2997, 6824), (3412, 5994), (3996, 5118)]