20218682876

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{1873}}^1$

素因数の和:2203

約数の個数: 96

約数和(自身を含む): 43220136960

約数和(自身を除く): 23001454084

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 197, 206, 266, 394, 412, 532, 721, 788, 1379, 1442, 1873, 1957, 2758, 2884, 3743, 3746, 3914, 5516, 7486, 7492, 7828, 13111, 13699, 14972, 20291, 26201, 26222, 27398, 35587, 40582, 52402, 52444, 54796, 71174, 81164, 104804, 142037, 142348, 192919, 249109, 284074, 368981, 385529, 385838, 498218, 568148, 737962, 771058, 771676, 996436, 1350433, 1475924, 1542116, 2582867, 2698703, 2700866, 3665461, 5165734, 5397406, 5401732, 7010639, 7330922, 10331468, 10794812, 14021278, 14661844, 25658227, 28042556, 38005043, 49074473, 51316454, 76010086, 98148946, 102632908, 152020172, 196297892, 266035301, 532070602, 722095817, 1064141204, 1444191634, 2888383268, 5054670719, 10109341438, 20218682876]

約数ペア:

[(1, 20218682876), (2, 10109341438), (4, 5054670719), (7, 2888383268), (14, 1444191634), (19, 1064141204), (28, 722095817), (38, 532070602), (76, 266035301), (103, 196297892), (133, 152020172), (197, 102632908), (206, 98148946), (266, 76010086), (394, 51316454), (412, 49074473), (532, 38005043), (721, 28042556), (788, 25658227), (1379, 14661844), (1442, 14021278), (1873, 10794812), (1957, 10331468), (2758, 7330922), (2884, 7010639), (3743, 5401732), (3746, 5397406), (3914, 5165734), (5516, 3665461), (7486, 2700866), (7492, 2698703), (7828, 2582867), (13111, 1542116), (13699, 1475924), (14972, 1350433), (20291, 996436), (26201, 771676), (26222, 771058), (27398, 737962), (35587, 568148), (40582, 498218), (52402, 385838), (52444, 385529), (54796, 368981), (71174, 284074), (81164, 249109), (104804, 192919), (142037, 142348)]