20213910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11821}}^1$

素因数の和:11853

約数の個数: 48

約数和(自身を含む): 55326960

約数和(自身を除く): 35113050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 11821, 23642, 35463, 59105, 70926, 106389, 118210, 177315, 212778, 224599, 354630, 449198, 531945, 673797, 1063890, 1122995, 1347594, 2021391, 2245990, 3368985, 4042782, 6737970, 10106955, 20213910]

約数ペア:

[(1, 20213910), (2, 10106955), (3, 6737970), (5, 4042782), (6, 3368985), (9, 2245990), (10, 2021391), (15, 1347594), (18, 1122995), (19, 1063890), (30, 673797), (38, 531945), (45, 449198), (57, 354630), (90, 224599), (95, 212778), (114, 177315), (171, 118210), (190, 106389), (285, 70926), (342, 59105), (570, 35463), (855, 23642), (1710, 11821)]