20799780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5683}}^1$

素因数の和:5756

約数の個数: 48

約数和(自身を含む): 59204544

約数和(自身を除く): 38404764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5683, 11366, 17049, 22732, 28415, 34098, 56830, 68196, 85245, 113660, 170490, 340980, 346663, 693326, 1039989, 1386652, 1733315, 2079978, 3466630, 4159956, 5199945, 6933260, 10399890, 20799780]

約数ペア:

[(1, 20799780), (2, 10399890), (3, 6933260), (4, 5199945), (5, 4159956), (6, 3466630), (10, 2079978), (12, 1733315), (15, 1386652), (20, 1039989), (30, 693326), (60, 346663), (61, 340980), (122, 170490), (183, 113660), (244, 85245), (305, 68196), (366, 56830), (610, 34098), (732, 28415), (915, 22732), (1220, 17049), (1830, 11366), (3660, 5683)]