20693930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2969}}^1$

素因数の和:3034

約数の個数: 32

約数和(自身を含む): 40415760

約数和(自身を除く): 19721830

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 2969, 3485, 5938, 6970, 14845, 29690, 50473, 100946, 121729, 243458, 252365, 504730, 608645, 1217290, 2069393, 4138786, 10346965, 20693930]

約数ペア:

[(1, 20693930), (2, 10346965), (5, 4138786), (10, 2069393), (17, 1217290), (34, 608645), (41, 504730), (82, 252365), (85, 243458), (170, 121729), (205, 100946), (410, 50473), (697, 29690), (1394, 14845), (2969, 6970), (3485, 5938)]