20228864383

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 27358823520

約数和(自身を除く): 7129959137

約数列:

[1, 7, 13, 17, 49, 67, 91, 119, 221, 343, 469, 569, 637, 833, 871, 1139, 1547, 2401, 3283, 3983, 4459, 5831, 6097, 7397, 7973, 9673, 10829, 14807, 22981, 27881, 31213, 38123, 40817, 42679, 51779, 55811, 67711, 75803, 103649, 125749, 160867, 195167, 266861, 298753, 362453, 390677, 473977, 495599, 530621, 648091, 725543, 880243, 1366169, 1868027, 2091271, 2537171, 2734739, 3317839, 3469193, 4536637, 5078801, 6161701, 8425183, 13076189, 17760197, 23224873, 24284351, 31756459, 35551607, 43131907, 58976281, 91533323, 169990457, 222295213, 301923349, 412833967, 1189933199, 1556066491, 2889837769, 20228864383]

約数ペア:

[(1, 20228864383), (7, 2889837769), (13, 1556066491), (17, 1189933199), (49, 412833967), (67, 301923349), (91, 222295213), (119, 169990457), (221, 91533323), (343, 58976281), (469, 43131907), (569, 35551607), (637, 31756459), (833, 24284351), (871, 23224873), (1139, 17760197), (1547, 13076189), (2401, 8425183), (3283, 6161701), (3983, 5078801), (4459, 4536637), (5831, 3469193), (6097, 3317839), (7397, 2734739), (7973, 2537171), (9673, 2091271), (10829, 1868027), (14807, 1366169), (22981, 880243), (27881, 725543), (31213, 648091), (38123, 530621), (40817, 495599), (42679, 473977), (51779, 390677), (55811, 362453), (67711, 298753), (75803, 266861), (103649, 195167), (125749, 160867)]