20219188860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8640679}}^1$

素因数の和:8640707

約数の個数: 72

約数和(自身を含む): 66049357920

約数和(自身を除く): 45830169060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8640679, 17281358, 25922037, 34562716, 43203395, 51844074, 77766111, 86406790, 103688148, 112328827, 129610185, 155532222, 172813580, 224657654, 259220370, 311064444, 336986481, 388830555, 449315308, 518440740, 561644135, 673972962, 777661110, 1010959443, 1123288270, 1347945924, 1555322220, 1684932405, 2021918886, 2246576540, 3369864810, 4043837772, 5054797215, 6739729620, 10109594430, 20219188860]

約数ペア:

[(1, 20219188860), (2, 10109594430), (3, 6739729620), (4, 5054797215), (5, 4043837772), (6, 3369864810), (9, 2246576540), (10, 2021918886), (12, 1684932405), (13, 1555322220), (15, 1347945924), (18, 1123288270), (20, 1010959443), (26, 777661110), (30, 673972962), (36, 561644135), (39, 518440740), (45, 449315308), (52, 388830555), (60, 336986481), (65, 311064444), (78, 259220370), (90, 224657654), (117, 172813580), (130, 155532222), (156, 129610185), (180, 112328827), (195, 103688148), (234, 86406790), (260, 77766111), (390, 51844074), (468, 43203395), (585, 34562716), (780, 25922037), (1170, 17281358), (2340, 8640679)]