20237782515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:789

約数の個数: 128

約数和(自身を含む): 36525468672

約数和(自身を除く): 16287686157

約数列:

[1, 3, 5, 15, 17, 37, 43, 51, 83, 85, 111, 129, 185, 215, 249, 255, 415, 555, 601, 629, 645, 731, 1245, 1411, 1591, 1803, 1887, 2193, 3005, 3071, 3145, 3569, 3655, 4233, 4773, 7055, 7955, 9015, 9213, 9435, 10217, 10707, 10965, 15355, 17845, 21165, 22237, 23865, 25843, 27047, 30651, 46065, 49883, 51085, 52207, 53535, 60673, 66711, 77529, 81141, 111185, 129215, 132053, 135235, 149649, 153255, 156621, 182019, 249415, 261035, 303365, 333555, 378029, 387645, 396159, 405705, 439331, 660265, 748245, 783105, 848011, 910095, 956191, 1134087, 1317993, 1845671, 1890145, 1980795, 2144969, 2196655, 2244901, 2544033, 2868573, 4240055, 4780955, 5537013, 5670435, 6434907, 6589965, 6734703, 9228355, 10724845, 11224505, 12720165, 14342865, 16255247, 27685065, 31376407, 32174535, 33673515, 36464473, 48765741, 79363853, 81276235, 94129221, 109393419, 156882035, 182322365, 238091559, 243828705, 396819265, 470646105, 546967095, 1190457795, 1349185501, 4047556503, 6745927505, 20237782515]

約数ペア:

[(1, 20237782515), (3, 6745927505), (5, 4047556503), (15, 1349185501), (17, 1190457795), (37, 546967095), (43, 470646105), (51, 396819265), (83, 243828705), (85, 238091559), (111, 182322365), (129, 156882035), (185, 109393419), (215, 94129221), (249, 81276235), (255, 79363853), (415, 48765741), (555, 36464473), (601, 33673515), (629, 32174535), (645, 31376407), (731, 27685065), (1245, 16255247), (1411, 14342865), (1591, 12720165), (1803, 11224505), (1887, 10724845), (2193, 9228355), (3005, 6734703), (3071, 6589965), (3145, 6434907), (3569, 5670435), (3655, 5537013), (4233, 4780955), (4773, 4240055), (7055, 2868573), (7955, 2544033), (9015, 2244901), (9213, 2196655), (9435, 2144969), (10217, 1980795), (10707, 1890145), (10965, 1845671), (15355, 1317993), (17845, 1134087), (21165, 956191), (22237, 910095), (23865, 848011), (25843, 783105), (27047, 748245), (30651, 660265), (46065, 439331), (49883, 405705), (51085, 396159), (52207, 387645), (53535, 378029), (60673, 333555), (66711, 303365), (77529, 261035), (81141, 249415), (111185, 182019), (129215, 156621), (132053, 153255), (135235, 149649)]