19934940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4003}}^1$

素因数の和:4098

約数の個数: 48

約数和(自身を含む): 56504448

約数和(自身を除く): 36569508

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, 4003, 4980, 8006, 12009, 16012, 20015, 24018, 40030, 48036, 60045, 80060, 120090, 240180, 332249, 664498, 996747, 1328996, 1661245, 1993494, 3322490, 3986988, 4983735, 6644980, 9967470, 19934940]

約数ペア:

[(1, 19934940), (2, 9967470), (3, 6644980), (4, 4983735), (5, 3986988), (6, 3322490), (10, 1993494), (12, 1661245), (15, 1328996), (20, 996747), (30, 664498), (60, 332249), (83, 240180), (166, 120090), (249, 80060), (332, 60045), (415, 48036), (498, 40030), (830, 24018), (996, 20015), (1245, 16012), (1660, 12009), (2490, 8006), (4003, 4980)]