20939796

素因数分解:

$2^2\times 3^6\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 84

約数和(自身を含む): 56556192

約数和(自身を除く): 35616396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 167, 172, 243, 258, 324, 334, 387, 486, 501, 516, 668, 729, 774, 972, 1002, 1161, 1458, 1503, 1548, 2004, 2322, 2916, 3006, 3483, 4509, 4644, 6012, 6966, 7181, 9018, 10449, 13527, 13932, 14362, 18036, 20898, 21543, 27054, 28724, 31347, 40581, 41796, 43086, 54108, 62694, 64629, 81162, 86172, 121743, 125388, 129258, 162324, 193887, 243486, 258516, 387774, 486972, 581661, 775548, 1163322, 1744983, 2326644, 3489966, 5234949, 6979932, 10469898, 20939796]

約数ペア:

[(1, 20939796), (2, 10469898), (3, 6979932), (4, 5234949), (6, 3489966), (9, 2326644), (12, 1744983), (18, 1163322), (27, 775548), (36, 581661), (43, 486972), (54, 387774), (81, 258516), (86, 243486), (108, 193887), (129, 162324), (162, 129258), (167, 125388), (172, 121743), (243, 86172), (258, 81162), (324, 64629), (334, 62694), (387, 54108), (486, 43086), (501, 41796), (516, 40581), (668, 31347), (729, 28724), (774, 27054), (972, 21543), (1002, 20898), (1161, 18036), (1458, 14362), (1503, 13932), (1548, 13527), (2004, 10449), (2322, 9018), (2916, 7181), (3006, 6966), (3483, 6012), (4509, 4644)]