20719590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9461}}^1$

素因数の和:9544

約数の個数: 32

約数和(自身を含む): 50413536

約数和(自身を除く): 29693946

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9461, 18922, 28383, 47305, 56766, 94610, 141915, 283830, 690653, 1381306, 2071959, 3453265, 4143918, 6906530, 10359795, 20719590]

約数ペア:

[(1, 20719590), (2, 10359795), (3, 6906530), (5, 4143918), (6, 3453265), (10, 2071959), (15, 1381306), (30, 690653), (73, 283830), (146, 141915), (219, 94610), (365, 56766), (438, 47305), (730, 28383), (1095, 18922), (2190, 9461)]