20336524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 40134528

約数和(自身を除く): 19798004

約数列:

[1, 2, 4, 13, 26, 47, 52, 53, 94, 106, 157, 188, 212, 314, 611, 628, 689, 1222, 1378, 2041, 2444, 2491, 2756, 4082, 4982, 7379, 8164, 8321, 9964, 14758, 16642, 29516, 32383, 33284, 64766, 95927, 108173, 129532, 191854, 216346, 383708, 391087, 432692, 782174, 1564348, 5084131, 10168262, 20336524]

約数ペア:

[(1, 20336524), (2, 10168262), (4, 5084131), (13, 1564348), (26, 782174), (47, 432692), (52, 391087), (53, 383708), (94, 216346), (106, 191854), (157, 129532), (188, 108173), (212, 95927), (314, 64766), (611, 33284), (628, 32383), (689, 29516), (1222, 16642), (1378, 14758), (2041, 9964), (2444, 8321), (2491, 8164), (2756, 7379), (4082, 4982)]