20163781736

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{2393}}^1$

素因数の和:2643

約数の個数: 128

約数和(自身を含む): 46911674880

約数和(自身を除く): 26747893144

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 53, 56, 68, 106, 119, 136, 167, 212, 238, 334, 371, 424, 476, 668, 742, 901, 952, 1169, 1336, 1484, 1802, 2338, 2393, 2839, 2968, 3604, 4676, 4786, 5678, 6307, 7208, 8851, 9352, 9572, 11356, 12614, 16751, 17702, 19144, 19873, 22712, 25228, 33502, 35404, 39746, 40681, 50456, 61957, 67004, 70808, 79492, 81362, 123914, 126829, 134008, 150467, 158984, 162724, 247828, 253658, 284767, 300934, 325448, 399631, 495656, 507316, 569534, 601868, 799262, 887803, 1014632, 1053269, 1139068, 1203736, 1598524, 1775606, 2106538, 2156093, 2278136, 2797417, 3197048, 3551212, 4213076, 4312186, 5594834, 6793727, 7102424, 8426152, 8624372, 11189668, 13587454, 15092651, 17248744, 21180443, 22379336, 27174908, 30185302, 42360886, 47556089, 54349816, 60370604, 84721772, 95112178, 120741208, 148263101, 169443544, 190224356, 296526202, 360067531, 380448712, 593052404, 720135062, 1186104808, 1440270124, 2520472717, 2880540248, 5040945434, 10081890868, 20163781736]

約数ペア:

[(1, 20163781736), (2, 10081890868), (4, 5040945434), (7, 2880540248), (8, 2520472717), (14, 1440270124), (17, 1186104808), (28, 720135062), (34, 593052404), (53, 380448712), (56, 360067531), (68, 296526202), (106, 190224356), (119, 169443544), (136, 148263101), (167, 120741208), (212, 95112178), (238, 84721772), (334, 60370604), (371, 54349816), (424, 47556089), (476, 42360886), (668, 30185302), (742, 27174908), (901, 22379336), (952, 21180443), (1169, 17248744), (1336, 15092651), (1484, 13587454), (1802, 11189668), (2338, 8624372), (2393, 8426152), (2839, 7102424), (2968, 6793727), (3604, 5594834), (4676, 4312186), (4786, 4213076), (5678, 3551212), (6307, 3197048), (7208, 2797417), (8851, 2278136), (9352, 2156093), (9572, 2106538), (11356, 1775606), (12614, 1598524), (16751, 1203736), (17702, 1139068), (19144, 1053269), (19873, 1014632), (22712, 887803), (25228, 799262), (33502, 601868), (35404, 569534), (39746, 507316), (40681, 495656), (50456, 399631), (61957, 325448), (67004, 300934), (70808, 284767), (79492, 253658), (81362, 247828), (123914, 162724), (126829, 158984), (134008, 150467)]