20121112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{613}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 41334480

約数和(自身を除く): 21213368

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 373, 613, 746, 1226, 1492, 2452, 2984, 4103, 4904, 6743, 8206, 13486, 16412, 26972, 32824, 53944, 228649, 457298, 914596, 1829192, 2515139, 5030278, 10060556, 20121112]

約数ペア:

[(1, 20121112), (2, 10060556), (4, 5030278), (8, 2515139), (11, 1829192), (22, 914596), (44, 457298), (88, 228649), (373, 53944), (613, 32824), (746, 26972), (1226, 16412), (1492, 13486), (2452, 8206), (2984, 6743), (4103, 4904)]