20163979472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{619}}^1\times {\mathrm{1721}}^1$

素因数の和:2381

約数の個数: 120

約数和(自身を含む): 48453773760

約数和(自身を除く): 28289794288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 619, 676, 728, 1183, 1238, 1352, 1456, 1721, 2366, 2476, 2704, 3442, 4333, 4732, 4952, 6884, 8047, 8666, 9464, 9904, 12047, 13768, 16094, 17332, 18928, 22373, 24094, 27536, 32188, 34664, 44746, 48188, 56329, 64376, 69328, 89492, 96376, 104611, 112658, 128752, 156611, 178984, 192752, 209222, 225316, 290849, 313222, 357968, 418444, 450632, 581698, 626444, 732277, 836888, 901264, 1065299, 1163396, 1252888, 1464554, 1673776, 2035943, 2130598, 2326792, 2505776, 2929108, 4071886, 4261196, 4653584, 5858216, 7457093, 8143772, 8522392, 11716432, 13848887, 14914186, 16287544, 17044784, 27697774, 29828372, 32575088, 55395548, 59656744, 96942209, 110791096, 119313488, 180035531, 193884418, 221582192, 360071062, 387768836, 720142124, 775537672, 1260248717, 1440284248, 1551075344, 2520497434, 2880568496, 5040994868, 10081989736, 20163979472]

約数ペア:

[(1, 20163979472), (2, 10081989736), (4, 5040994868), (7, 2880568496), (8, 2520497434), (13, 1551075344), (14, 1440284248), (16, 1260248717), (26, 775537672), (28, 720142124), (52, 387768836), (56, 360071062), (91, 221582192), (104, 193884418), (112, 180035531), (169, 119313488), (182, 110791096), (208, 96942209), (338, 59656744), (364, 55395548), (619, 32575088), (676, 29828372), (728, 27697774), (1183, 17044784), (1238, 16287544), (1352, 14914186), (1456, 13848887), (1721, 11716432), (2366, 8522392), (2476, 8143772), (2704, 7457093), (3442, 5858216), (4333, 4653584), (4732, 4261196), (4952, 4071886), (6884, 2929108), (8047, 2505776), (8666, 2326792), (9464, 2130598), (9904, 2035943), (12047, 1673776), (13768, 1464554), (16094, 1252888), (17332, 1163396), (18928, 1065299), (22373, 901264), (24094, 836888), (27536, 732277), (32188, 626444), (34664, 581698), (44746, 450632), (48188, 418444), (56329, 357968), (64376, 313222), (69328, 290849), (89492, 225316), (96376, 209222), (104611, 192752), (112658, 178984), (128752, 156611)]