20792590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 46843776

約数和(自身を除く): 26051186

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 313, 365, 455, 511, 626, 730, 910, 949, 1022, 1565, 1898, 2191, 2555, 3130, 4069, 4382, 4745, 5110, 6643, 8138, 9490, 10955, 13286, 20345, 21910, 22849, 28483, 33215, 40690, 45698, 56966, 66430, 114245, 142415, 159943, 228490, 284830, 297037, 319886, 594074, 799715, 1485185, 1599430, 2079259, 2970370, 4158518, 10396295, 20792590]

約数ペア:

[(1, 20792590), (2, 10396295), (5, 4158518), (7, 2970370), (10, 2079259), (13, 1599430), (14, 1485185), (26, 799715), (35, 594074), (65, 319886), (70, 297037), (73, 284830), (91, 228490), (130, 159943), (146, 142415), (182, 114245), (313, 66430), (365, 56966), (455, 45698), (511, 40690), (626, 33215), (730, 28483), (910, 22849), (949, 21910), (1022, 20345), (1565, 13286), (1898, 10955), (2191, 9490), (2555, 8138), (3130, 6643), (4069, 5110), (4382, 4745)]