20163949690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1217}}^1$

素因数の和:1400

約数の個数: 128

約数和(自身を含む): 41252198400

約数和(自身を除く): 21088248710

約数列:

[1, 2, 5, 10, 19, 29, 31, 38, 58, 62, 95, 97, 145, 155, 190, 194, 290, 310, 485, 551, 589, 899, 970, 1102, 1178, 1217, 1798, 1843, 2434, 2755, 2813, 2945, 3007, 3686, 4495, 5510, 5626, 5890, 6014, 6085, 8990, 9215, 12170, 14065, 15035, 17081, 18430, 23123, 28130, 30070, 34162, 35293, 37727, 46246, 53447, 57133, 70586, 75454, 85405, 87203, 106894, 114266, 115615, 118049, 170810, 174406, 176465, 188635, 231230, 236098, 267235, 285665, 352930, 377270, 436015, 534470, 571330, 590245, 670567, 716813, 872030, 1094083, 1180490, 1341134, 1433626, 1656857, 2188166, 2242931, 3313714, 3352835, 3423421, 3584065, 3659519, 4485862, 5470415, 6705670, 6846842, 7168130, 7319038, 8284285, 10940830, 11214655, 16568570, 17117105, 18297595, 20787577, 22429310, 34234210, 36595190, 41575154, 65044999, 69530861, 103937885, 106126051, 130089998, 139061722, 207875770, 212252102, 325224995, 347654305, 530630255, 650449990, 695308610, 1061260510, 2016394969, 4032789938, 10081974845, 20163949690]

約数ペア:

[(1, 20163949690), (2, 10081974845), (5, 4032789938), (10, 2016394969), (19, 1061260510), (29, 695308610), (31, 650449990), (38, 530630255), (58, 347654305), (62, 325224995), (95, 212252102), (97, 207875770), (145, 139061722), (155, 130089998), (190, 106126051), (194, 103937885), (290, 69530861), (310, 65044999), (485, 41575154), (551, 36595190), (589, 34234210), (899, 22429310), (970, 20787577), (1102, 18297595), (1178, 17117105), (1217, 16568570), (1798, 11214655), (1843, 10940830), (2434, 8284285), (2755, 7319038), (2813, 7168130), (2945, 6846842), (3007, 6705670), (3686, 5470415), (4495, 4485862), (5510, 3659519), (5626, 3584065), (5890, 3423421), (6014, 3352835), (6085, 3313714), (8990, 2242931), (9215, 2188166), (12170, 1656857), (14065, 1433626), (15035, 1341134), (17081, 1180490), (18430, 1094083), (23123, 872030), (28130, 716813), (30070, 670567), (34162, 590245), (35293, 571330), (37727, 534470), (46246, 436015), (53447, 377270), (57133, 352930), (70586, 285665), (75454, 267235), (85405, 236098), (87203, 231230), (106894, 188635), (114266, 176465), (115615, 174406), (118049, 170810)]