20211945688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 43417036800

約数和(自身を除く): 23205091112

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 113, 124, 173, 226, 248, 341, 346, 379, 452, 682, 692, 758, 904, 1243, 1364, 1384, 1516, 1903, 2486, 2728, 3032, 3503, 3806, 4169, 4972, 5363, 7006, 7612, 8338, 9944, 10726, 11749, 14012, 15224, 16676, 19549, 21452, 23498, 28024, 33352, 38533, 39098, 42827, 42904, 46996, 58993, 65567, 77066, 78196, 85654, 93992, 117986, 129239, 131134, 154132, 156392, 171308, 215039, 235972, 258478, 262268, 308264, 342616, 430078, 471097, 471944, 516956, 524536, 606019, 721237, 860156, 942194, 1033912, 1212038, 1327637, 1442474, 1720312, 1884388, 2032577, 2424076, 2655274, 2884948, 3768776, 4065154, 4848152, 5310548, 5769896, 6666209, 7409071, 8130308, 10621096, 13332418, 14604007, 14818142, 16260616, 22358347, 26664836, 29208014, 29636284, 44716694, 53329672, 58416028, 59272568, 81499781, 89433388, 116832056, 162999562, 178866776, 229681201, 325999124, 459362402, 651998248, 918724804, 1837449608, 2526493211, 5052986422, 10105972844, 20211945688]

約数ペア:

[(1, 20211945688), (2, 10105972844), (4, 5052986422), (8, 2526493211), (11, 1837449608), (22, 918724804), (31, 651998248), (44, 459362402), (62, 325999124), (88, 229681201), (113, 178866776), (124, 162999562), (173, 116832056), (226, 89433388), (248, 81499781), (341, 59272568), (346, 58416028), (379, 53329672), (452, 44716694), (682, 29636284), (692, 29208014), (758, 26664836), (904, 22358347), (1243, 16260616), (1364, 14818142), (1384, 14604007), (1516, 13332418), (1903, 10621096), (2486, 8130308), (2728, 7409071), (3032, 6666209), (3503, 5769896), (3806, 5310548), (4169, 4848152), (4972, 4065154), (5363, 3768776), (7006, 2884948), (7612, 2655274), (8338, 2424076), (9944, 2032577), (10726, 1884388), (11749, 1720312), (14012, 1442474), (15224, 1327637), (16676, 1212038), (19549, 1033912), (21452, 942194), (23498, 860156), (28024, 721237), (33352, 606019), (38533, 524536), (39098, 516956), (42827, 471944), (42904, 471097), (46996, 430078), (58993, 342616), (65567, 308264), (77066, 262268), (78196, 258478), (85654, 235972), (93992, 215039), (117986, 171308), (129239, 156392), (131134, 154132)]