20823978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4909}}^1$

素因数の和:5022

約数の個数: 32

約数和(自身を含む): 48078720

約数和(自身を除く): 27254742

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 101, 202, 303, 606, 707, 1414, 2121, 4242, 4909, 9818, 14727, 29454, 34363, 68726, 103089, 206178, 495809, 991618, 1487427, 2974854, 3470663, 6941326, 10411989, 20823978]

約数ペア:

[(1, 20823978), (2, 10411989), (3, 6941326), (6, 3470663), (7, 2974854), (14, 1487427), (21, 991618), (42, 495809), (101, 206178), (202, 103089), (303, 68726), (606, 34363), (707, 29454), (1414, 14727), (2121, 9818), (4242, 4909)]