20539170

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25357}}^1$

素因数の和:25376

約数の個数: 40

約数和(自身を含む): 55229724

約数和(自身を除く): 34690554

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25357, 50714, 76071, 126785, 152142, 228213, 253570, 380355, 456426, 684639, 760710, 1141065, 1369278, 2053917, 2282130, 3423195, 4107834, 6846390, 10269585, 20539170]

約数ペア:

[(1, 20539170), (2, 10269585), (3, 6846390), (5, 4107834), (6, 3423195), (9, 2282130), (10, 2053917), (15, 1369278), (18, 1141065), (27, 760710), (30, 684639), (45, 456426), (54, 380355), (81, 253570), (90, 228213), (135, 152142), (162, 126785), (270, 76071), (405, 50714), (810, 25357)]