20888934858

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{15791}}^1$

素因数の和:15961

約数の個数: 128

約数和(自身を含む): 54031380480

約数和(自身を除く): 33142445622

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 33, 34, 51, 54, 66, 99, 102, 131, 153, 187, 198, 262, 297, 306, 374, 393, 459, 561, 594, 786, 918, 1122, 1179, 1441, 1683, 2227, 2358, 2882, 3366, 3537, 4323, 4454, 5049, 6681, 7074, 8646, 10098, 12969, 13362, 15791, 20043, 24497, 25938, 31582, 38907, 40086, 47373, 48994, 60129, 73491, 77814, 94746, 120258, 142119, 146982, 173701, 220473, 268447, 284238, 347402, 426357, 440946, 521103, 536894, 661419, 805341, 852714, 1042206, 1322838, 1563309, 1610682, 2068621, 2416023, 2952917, 3126618, 4137242, 4689927, 4832046, 5905834, 6205863, 7248069, 8858751, 9379854, 12411726, 14496138, 17717502, 18617589, 22754831, 26576253, 35166557, 37235178, 45509662, 53152506, 55852767, 68264493, 70333114, 79728759, 105499671, 111705534, 136528986, 159457518, 204793479, 210999342, 316499013, 386832127, 409586958, 614380437, 632998026, 773664254, 949497039, 1160496381, 1228760874, 1898994078, 2320992762, 3481489143, 6962978286, 10444467429, 20888934858]

約数ペア:

[(1, 20888934858), (2, 10444467429), (3, 6962978286), (6, 3481489143), (9, 2320992762), (11, 1898994078), (17, 1228760874), (18, 1160496381), (22, 949497039), (27, 773664254), (33, 632998026), (34, 614380437), (51, 409586958), (54, 386832127), (66, 316499013), (99, 210999342), (102, 204793479), (131, 159457518), (153, 136528986), (187, 111705534), (198, 105499671), (262, 79728759), (297, 70333114), (306, 68264493), (374, 55852767), (393, 53152506), (459, 45509662), (561, 37235178), (594, 35166557), (786, 26576253), (918, 22754831), (1122, 18617589), (1179, 17717502), (1441, 14496138), (1683, 12411726), (2227, 9379854), (2358, 8858751), (2882, 7248069), (3366, 6205863), (3537, 5905834), (4323, 4832046), (4454, 4689927), (5049, 4137242), (6681, 3126618), (7074, 2952917), (8646, 2416023), (10098, 2068621), (12969, 1610682), (13362, 1563309), (15791, 1322838), (20043, 1042206), (24497, 852714), (25938, 805341), (31582, 661419), (38907, 536894), (40086, 521103), (47373, 440946), (48994, 426357), (60129, 347402), (73491, 284238), (77814, 268447), (94746, 220473), (120258, 173701), (142119, 146982)]