19620804920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{203789}}^1$

素因数の和:203912

約数の個数: 64

約数和(自身を含む): 46219572000

約数和(自身を除く): 26598767080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 83, 116, 145, 166, 232, 290, 332, 415, 580, 664, 830, 1160, 1660, 2407, 3320, 4814, 9628, 12035, 19256, 24070, 48140, 96280, 203789, 407578, 815156, 1018945, 1630312, 2037890, 4075780, 5909881, 8151560, 11819762, 16914487, 23639524, 29549405, 33828974, 47279048, 59098810, 67657948, 84572435, 118197620, 135315896, 169144870, 236395240, 338289740, 490520123, 676579480, 981040246, 1962080492, 2452600615, 3924160984, 4905201230, 9810402460, 19620804920]

約数ペア:

[(1, 19620804920), (2, 9810402460), (4, 4905201230), (5, 3924160984), (8, 2452600615), (10, 1962080492), (20, 981040246), (29, 676579480), (40, 490520123), (58, 338289740), (83, 236395240), (116, 169144870), (145, 135315896), (166, 118197620), (232, 84572435), (290, 67657948), (332, 59098810), (415, 47279048), (580, 33828974), (664, 29549405), (830, 23639524), (1160, 16914487), (1660, 11819762), (2407, 8151560), (3320, 5909881), (4814, 4075780), (9628, 2037890), (12035, 1630312), (19256, 1018945), (24070, 815156), (48140, 407578), (96280, 203789)]