20788872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2897}}^1$

素因数の和:2942

約数の個数: 64

約数和(自身を含む): 58423680

約数和(自身を除く): 37634808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2897, 3588, 5794, 7176, 8691, 11588, 17382, 23176, 34764, 37661, 66631, 69528, 75322, 112983, 133262, 150644, 199893, 225966, 266524, 301288, 399786, 451932, 533048, 799572, 866203, 903864, 1599144, 1732406, 2598609, 3464812, 5197218, 6929624, 10394436, 20788872]

約数ペア:

[(1, 20788872), (2, 10394436), (3, 6929624), (4, 5197218), (6, 3464812), (8, 2598609), (12, 1732406), (13, 1599144), (23, 903864), (24, 866203), (26, 799572), (39, 533048), (46, 451932), (52, 399786), (69, 301288), (78, 266524), (92, 225966), (104, 199893), (138, 150644), (156, 133262), (184, 112983), (276, 75322), (299, 69528), (312, 66631), (552, 37661), (598, 34764), (897, 23176), (1196, 17382), (1794, 11588), (2392, 8691), (2897, 7176), (3588, 5794)]