20612940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{683}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 37302708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 503, 683, 1006, 1366, 1509, 2012, 2049, 2515, 2732, 3018, 3415, 4098, 5030, 6036, 6830, 7545, 8196, 10060, 10245, 13660, 15090, 20490, 30180, 40980, 343549, 687098, 1030647, 1374196, 1717745, 2061294, 3435490, 4122588, 5153235, 6870980, 10306470, 20612940]

約数ペア:

[(1, 20612940), (2, 10306470), (3, 6870980), (4, 5153235), (5, 4122588), (6, 3435490), (10, 2061294), (12, 1717745), (15, 1374196), (20, 1030647), (30, 687098), (60, 343549), (503, 40980), (683, 30180), (1006, 20490), (1366, 15090), (1509, 13660), (2012, 10245), (2049, 10060), (2515, 8196), (2732, 7545), (3018, 6830), (3415, 6036), (4098, 5030)]