19984740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4013}}^1$

素因数の和:4108

約数の個数: 48

約数和(自身を含む): 56645568

約数和(自身を除く): 36660828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4013, 4980, 8026, 12039, 16052, 20065, 24078, 40130, 48156, 60195, 80260, 120390, 240780, 333079, 666158, 999237, 1332316, 1665395, 1998474, 3330790, 3996948, 4996185, 6661580, 9992370, 19984740]

約数ペア:

[(1, 19984740), (2, 9992370), (3, 6661580), (4, 4996185), (5, 3996948), (6, 3330790), (10, 1998474), (12, 1665395), (15, 1332316), (20, 999237), (30, 666158), (60, 333079), (83, 240780), (166, 120390), (249, 80260), (332, 60195), (415, 48156), (498, 40130), (830, 24078), (996, 20065), (1245, 16052), (1660, 12039), (2490, 8026), (4013, 4980)]