20001860172

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{743}}^1\times {\mathrm{5087}}^1$

素因数の和:5857

約数の個数: 144

約数和(自身を含む): 60416133120

約数和(自身を除く): 40414272948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 743, 756, 882, 1323, 1486, 1764, 2229, 2646, 2972, 4458, 5087, 5201, 5292, 6687, 8916, 10174, 10402, 13374, 15261, 15603, 20061, 20348, 20804, 26748, 30522, 31206, 35609, 36407, 40122, 45783, 46809, 61044, 62412, 71218, 72814, 80244, 91566, 93618, 106827, 109221, 137349, 140427, 142436, 145628, 183132, 187236, 213654, 218442, 249263, 274698, 280854, 320481, 327663, 427308, 436884, 498526, 549396, 561708, 640962, 655326, 747789, 961443, 982989, 997052, 1281924, 1310652, 1495578, 1922886, 1965978, 2243367, 2991156, 3779641, 3845772, 3931956, 4486734, 6730101, 7559282, 8973468, 11338923, 13460202, 15118564, 22677846, 26457487, 26920404, 34016769, 45355692, 52914974, 68033538, 79372461, 102050307, 105829948, 136067076, 158744922, 185202409, 204100614, 238117383, 317489844, 370404818, 408201228, 476234766, 555607227, 714352149, 740809636, 952469532, 1111214454, 1428704298, 1666821681, 2222428908, 2857408596, 3333643362, 5000465043, 6667286724, 10000930086, 20001860172]

約数ペア:

[(1, 20001860172), (2, 10000930086), (3, 6667286724), (4, 5000465043), (6, 3333643362), (7, 2857408596), (9, 2222428908), (12, 1666821681), (14, 1428704298), (18, 1111214454), (21, 952469532), (27, 740809636), (28, 714352149), (36, 555607227), (42, 476234766), (49, 408201228), (54, 370404818), (63, 317489844), (84, 238117383), (98, 204100614), (108, 185202409), (126, 158744922), (147, 136067076), (189, 105829948), (196, 102050307), (252, 79372461), (294, 68033538), (378, 52914974), (441, 45355692), (588, 34016769), (743, 26920404), (756, 26457487), (882, 22677846), (1323, 15118564), (1486, 13460202), (1764, 11338923), (2229, 8973468), (2646, 7559282), (2972, 6730101), (4458, 4486734), (5087, 3931956), (5201, 3845772), (5292, 3779641), (6687, 2991156), (8916, 2243367), (10174, 1965978), (10402, 1922886), (13374, 1495578), (15261, 1310652), (15603, 1281924), (20061, 997052), (20348, 982989), (20804, 961443), (26748, 747789), (30522, 655326), (31206, 640962), (35609, 561708), (36407, 549396), (40122, 498526), (45783, 436884), (46809, 427308), (61044, 327663), (62412, 320481), (71218, 280854), (72814, 274698), (80244, 249263), (91566, 218442), (93618, 213654), (106827, 187236), (109221, 183132), (137349, 145628), (140427, 142436)]