20003274

素因数分解:

$2^1\times 3^5\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 45601920

約数和(自身を除く): 25598646

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 243, 474, 486, 521, 711, 1042, 1422, 1563, 2133, 3126, 4266, 4689, 6399, 9378, 12798, 14067, 19197, 28134, 38394, 41159, 42201, 82318, 84402, 123477, 126603, 246954, 253206, 370431, 740862, 1111293, 2222586, 3333879, 6667758, 10001637, 20003274]

約数ペア:

[(1, 20003274), (2, 10001637), (3, 6667758), (6, 3333879), (9, 2222586), (18, 1111293), (27, 740862), (54, 370431), (79, 253206), (81, 246954), (158, 126603), (162, 123477), (237, 84402), (243, 82318), (474, 42201), (486, 41159), (521, 38394), (711, 28134), (1042, 19197), (1422, 14067), (1563, 12798), (2133, 9378), (3126, 6399), (4266, 4689)]