20722233792

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^2\times {\mathrm{638629}}^1$

素因数の和:638670

約数の個数: 84

約数和(自身を含む): 59369599320

約数和(自身を除く): 38647365528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 169, 192, 208, 312, 338, 416, 507, 624, 676, 832, 1014, 1248, 1352, 2028, 2496, 2704, 4056, 5408, 8112, 10816, 16224, 32448, 638629, 1277258, 1915887, 2554516, 3831774, 5109032, 7663548, 8302177, 10218064, 15327096, 16604354, 20436128, 24906531, 30654192, 33208708, 40872256, 49813062, 61308384, 66417416, 99626124, 107928301, 122616768, 132834832, 199252248, 215856602, 265669664, 323784903, 398504496, 431713204, 531339328, 647569806, 797008992, 863426408, 1295139612, 1594017984, 1726852816, 2590279224, 3453705632, 5180558448, 6907411264, 10361116896, 20722233792]

約数ペア:

[(1, 20722233792), (2, 10361116896), (3, 6907411264), (4, 5180558448), (6, 3453705632), (8, 2590279224), (12, 1726852816), (13, 1594017984), (16, 1295139612), (24, 863426408), (26, 797008992), (32, 647569806), (39, 531339328), (48, 431713204), (52, 398504496), (64, 323784903), (78, 265669664), (96, 215856602), (104, 199252248), (156, 132834832), (169, 122616768), (192, 107928301), (208, 99626124), (312, 66417416), (338, 61308384), (416, 49813062), (507, 40872256), (624, 33208708), (676, 30654192), (832, 24906531), (1014, 20436128), (1248, 16604354), (1352, 15327096), (2028, 10218064), (2496, 8302177), (2704, 7663548), (4056, 5109032), (5408, 3831774), (8112, 2554516), (10816, 1915887), (16224, 1277258), (32448, 638629)]