20660052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{587}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 55319040

約数和(自身を除く): 34658988

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 419, 587, 838, 1174, 1257, 1676, 1761, 2348, 2514, 2933, 3522, 4109, 5028, 5866, 7044, 8218, 8799, 11732, 12327, 16436, 17598, 24654, 35196, 49308, 245953, 491906, 737859, 983812, 1475718, 1721671, 2951436, 3443342, 5165013, 6886684, 10330026, 20660052]

約数ペア:

[(1, 20660052), (2, 10330026), (3, 6886684), (4, 5165013), (6, 3443342), (7, 2951436), (12, 1721671), (14, 1475718), (21, 983812), (28, 737859), (42, 491906), (84, 245953), (419, 49308), (587, 35196), (838, 24654), (1174, 17598), (1257, 16436), (1676, 12327), (1761, 11732), (2348, 8799), (2514, 8218), (2933, 7044), (3522, 5866), (4109, 5028)]