20456856

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1153

約数の個数: 96

約数和(自身を含む): 65089440

約数和(自身を除く): 44632584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 37, 42, 56, 63, 72, 74, 84, 111, 126, 148, 168, 222, 252, 259, 296, 333, 444, 504, 518, 666, 777, 888, 1036, 1097, 1332, 1554, 2072, 2194, 2331, 2664, 3108, 3291, 4388, 4662, 6216, 6582, 7679, 8776, 9324, 9873, 13164, 15358, 18648, 19746, 23037, 26328, 30716, 39492, 40589, 46074, 61432, 69111, 78984, 81178, 92148, 121767, 138222, 162356, 184296, 243534, 276444, 284123, 324712, 365301, 487068, 552888, 568246, 730602, 852369, 974136, 1136492, 1461204, 1704738, 2272984, 2557107, 2922408, 3409476, 5114214, 6818952, 10228428, 20456856]

約数ペア:

[(1, 20456856), (2, 10228428), (3, 6818952), (4, 5114214), (6, 3409476), (7, 2922408), (8, 2557107), (9, 2272984), (12, 1704738), (14, 1461204), (18, 1136492), (21, 974136), (24, 852369), (28, 730602), (36, 568246), (37, 552888), (42, 487068), (56, 365301), (63, 324712), (72, 284123), (74, 276444), (84, 243534), (111, 184296), (126, 162356), (148, 138222), (168, 121767), (222, 92148), (252, 81178), (259, 78984), (296, 69111), (333, 61432), (444, 46074), (504, 40589), (518, 39492), (666, 30716), (777, 26328), (888, 23037), (1036, 19746), (1097, 18648), (1332, 15358), (1554, 13164), (2072, 9873), (2194, 9324), (2331, 8776), (2664, 7679), (3108, 6582), (3291, 6216), (4388, 4662)]