20947030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{599}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19876970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 599, 1198, 1345, 2690, 2995, 3497, 5990, 6994, 7787, 15574, 17485, 34970, 38935, 77870, 161131, 322262, 805655, 1611310, 2094703, 4189406, 10473515, 20947030]

約数ペア:

[(1, 20947030), (2, 10473515), (5, 4189406), (10, 2094703), (13, 1611310), (26, 805655), (65, 322262), (130, 161131), (269, 77870), (538, 38935), (599, 34970), (1198, 17485), (1345, 15574), (2690, 7787), (2995, 6994), (3497, 5990)]