20512385120

素因数分解:

$2^5\times 5^1\times {\mathrm{3023}}^1\times {\mathrm{42409}}^1$

素因数の和:45447

約数の個数: 48

約数和(自身を含む): 48477683520

約数和(自身を除く): 27965298400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 3023, 6046, 12092, 15115, 24184, 30230, 42409, 48368, 60460, 84818, 96736, 120920, 169636, 212045, 241840, 339272, 424090, 483680, 678544, 848180, 1357088, 1696360, 3392720, 6785440, 128202407, 256404814, 512809628, 641012035, 1025619256, 1282024070, 2051238512, 2564048140, 4102477024, 5128096280, 10256192560, 20512385120]

約数ペア:

[(1, 20512385120), (2, 10256192560), (4, 5128096280), (5, 4102477024), (8, 2564048140), (10, 2051238512), (16, 1282024070), (20, 1025619256), (32, 641012035), (40, 512809628), (80, 256404814), (160, 128202407), (3023, 6785440), (6046, 3392720), (12092, 1696360), (15115, 1357088), (24184, 848180), (30230, 678544), (42409, 483680), (48368, 424090), (60460, 339272), (84818, 241840), (96736, 212045), (120920, 169636)]