20138557870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1310251}}^1$

素因数の和:1310340

約数の個数: 32

約数和(自身を含む): 38206948320

約数和(自身を除く): 18068390450

約数列:

[1, 2, 5, 10, 29, 53, 58, 106, 145, 265, 290, 530, 1537, 3074, 7685, 15370, 1310251, 2620502, 6551255, 13102510, 37997279, 69443303, 75994558, 138886606, 189986395, 347216515, 379972790, 694433030, 2013855787, 4027711574, 10069278935, 20138557870]

約数ペア:

[(1, 20138557870), (2, 10069278935), (5, 4027711574), (10, 2013855787), (29, 694433030), (53, 379972790), (58, 347216515), (106, 189986395), (145, 138886606), (265, 75994558), (290, 69443303), (530, 37997279), (1537, 13102510), (3074, 6551255), (7685, 2620502), (15370, 1310251)]