20950320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87293}}^1$

素因数の和:87309

約数の個数: 40

約数和(自身を含む): 64946736

約数和(自身を除く): 43996416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87293, 174586, 261879, 349172, 436465, 523758, 698344, 872930, 1047516, 1309395, 1396688, 1745860, 2095032, 2618790, 3491720, 4190064, 5237580, 6983440, 10475160, 20950320]

約数ペア:

[(1, 20950320), (2, 10475160), (3, 6983440), (4, 5237580), (5, 4190064), (6, 3491720), (8, 2618790), (10, 2095032), (12, 1745860), (15, 1396688), (16, 1309395), (20, 1047516), (24, 872930), (30, 698344), (40, 523758), (48, 436465), (60, 349172), (80, 261879), (120, 174586), (240, 87293)]