20377082

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 37216800

約数和(自身を除く): 16839718

約数列:

[1, 2, 11, 19, 22, 29, 38, 41, 58, 82, 209, 319, 418, 451, 551, 638, 779, 902, 1102, 1189, 1558, 1681, 2378, 3362, 6061, 8569, 12122, 13079, 17138, 18491, 22591, 26158, 31939, 36982, 45182, 48749, 63878, 97498, 248501, 351329, 497002, 536239, 702658, 926231, 1072478, 1852462, 10188541, 20377082]

約数ペア:

[(1, 20377082), (2, 10188541), (11, 1852462), (19, 1072478), (22, 926231), (29, 702658), (38, 536239), (41, 497002), (58, 351329), (82, 248501), (209, 97498), (319, 63878), (418, 48749), (451, 45182), (551, 36982), (638, 31939), (779, 26158), (902, 22591), (1102, 18491), (1189, 17138), (1558, 13079), (1681, 12122), (2378, 8569), (3362, 6061)]