20808733465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{148279}}^1$

素因数の和:148441

約数の個数: 32

約数和(自身を含む): 28697518080

約数和(自身を除く): 7888784615

約数列:

[1, 5, 13, 17, 65, 85, 127, 221, 635, 1105, 1651, 2159, 8255, 10795, 28067, 140335, 148279, 741395, 1927627, 2520743, 9638135, 12603715, 18831433, 32769659, 94157165, 163848295, 244808629, 320134361, 1224043145, 1600671805, 4161746693, 20808733465]

約数ペア:

[(1, 20808733465), (5, 4161746693), (13, 1600671805), (17, 1224043145), (65, 320134361), (85, 244808629), (127, 163848295), (221, 94157165), (635, 32769659), (1105, 18831433), (1651, 12603715), (2159, 9638135), (8255, 2520743), (10795, 1927627), (28067, 741395), (140335, 148279)]