20290421590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18773}}^1\times {\mathrm{3727}}^1$

素因数の和:22536

約数の個数: 32

約数和(自身を含む): 37794314880

約数和(自身を除く): 17503893290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 3727, 7454, 18635, 18773, 37270, 37546, 93865, 108083, 187730, 216166, 540415, 544417, 1080830, 1088834, 2722085, 5444170, 69966971, 139933942, 349834855, 699669710, 2029042159, 4058084318, 10145210795, 20290421590]

約数ペア:

[(1, 20290421590), (2, 10145210795), (5, 4058084318), (10, 2029042159), (29, 699669710), (58, 349834855), (145, 139933942), (290, 69966971), (3727, 5444170), (7454, 2722085), (18635, 1088834), (18773, 1080830), (37270, 544417), (37546, 540415), (93865, 216166), (108083, 187730)]