20236216

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 54726840

約数和(自身を除く): 34490624

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 19, 22, 26, 28, 38, 44, 49, 52, 56, 76, 77, 88, 91, 98, 104, 133, 143, 152, 154, 182, 196, 209, 247, 266, 286, 308, 361, 364, 392, 418, 494, 532, 539, 572, 616, 637, 722, 728, 836, 931, 988, 1001, 1064, 1078, 1144, 1274, 1444, 1463, 1672, 1729, 1862, 1976, 2002, 2156, 2527, 2548, 2717, 2888, 2926, 3458, 3724, 3971, 4004, 4312, 4693, 5054, 5096, 5434, 5852, 6916, 7007, 7448, 7942, 8008, 9386, 10108, 10241, 10868, 11704, 12103, 13832, 14014, 15884, 17689, 18772, 19019, 20216, 20482, 21736, 24206, 27797, 28028, 31768, 32851, 35378, 37544, 38038, 40964, 48412, 51623, 55594, 56056, 65702, 70756, 76076, 81928, 96824, 103246, 111188, 131404, 133133, 141512, 152152, 194579, 206492, 222376, 229957, 262808, 266266, 361361, 389158, 412984, 459914, 532532, 722722, 778316, 919828, 1065064, 1445444, 1556632, 1839656, 2529527, 2890888, 5059054, 10118108, 20236216]

約数ペア:

[(1, 20236216), (2, 10118108), (4, 5059054), (7, 2890888), (8, 2529527), (11, 1839656), (13, 1556632), (14, 1445444), (19, 1065064), (22, 919828), (26, 778316), (28, 722722), (38, 532532), (44, 459914), (49, 412984), (52, 389158), (56, 361361), (76, 266266), (77, 262808), (88, 229957), (91, 222376), (98, 206492), (104, 194579), (133, 152152), (143, 141512), (152, 133133), (154, 131404), (182, 111188), (196, 103246), (209, 96824), (247, 81928), (266, 76076), (286, 70756), (308, 65702), (361, 56056), (364, 55594), (392, 51623), (418, 48412), (494, 40964), (532, 38038), (539, 37544), (572, 35378), (616, 32851), (637, 31768), (722, 28028), (728, 27797), (836, 24206), (931, 21736), (988, 20482), (1001, 20216), (1064, 19019), (1078, 18772), (1144, 17689), (1274, 15884), (1444, 14014), (1463, 13832), (1672, 12103), (1729, 11704), (1862, 10868), (1976, 10241), (2002, 10108), (2156, 9386), (2527, 8008), (2548, 7942), (2717, 7448), (2888, 7007), (2926, 6916), (3458, 5852), (3724, 5434), (3971, 5096), (4004, 5054), (4312, 4693)]