20128473075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6241387}}^1$

素因数の和:6241443

約数の個数: 24

約数和(自身を含む): 34053012928

約数和(自身を除く): 13924539853

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 6241387, 18724161, 31206935, 93620805, 156034675, 268379641, 468104025, 805138923, 1341898205, 4025694615, 6709491025, 20128473075]

約数ペア:

[(1, 20128473075), (3, 6709491025), (5, 4025694615), (15, 1341898205), (25, 805138923), (43, 468104025), (75, 268379641), (129, 156034675), (215, 93620805), (645, 31206935), (1075, 18724161), (3225, 6241387)]