20847528

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22273}}^1$

素因数の和:22298

約数の個数: 48

約数和(自身を含む): 60808020

約数和(自身を除く): 39960492

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22273, 44546, 66819, 89092, 133638, 178184, 200457, 267276, 289549, 400914, 534552, 579098, 801828, 868647, 1158196, 1603656, 1737294, 2316392, 2605941, 3474588, 5211882, 6949176, 10423764, 20847528]

約数ペア:

[(1, 20847528), (2, 10423764), (3, 6949176), (4, 5211882), (6, 3474588), (8, 2605941), (9, 2316392), (12, 1737294), (13, 1603656), (18, 1158196), (24, 868647), (26, 801828), (36, 579098), (39, 534552), (52, 400914), (72, 289549), (78, 267276), (104, 200457), (117, 178184), (156, 133638), (234, 89092), (312, 66819), (468, 44546), (936, 22273)]