20137150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 44997120

約数和(自身を除く): 24859970

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 41, 47, 50, 55, 82, 94, 95, 110, 190, 205, 209, 235, 275, 410, 418, 451, 470, 475, 517, 550, 779, 893, 902, 950, 1025, 1034, 1045, 1175, 1558, 1786, 1927, 2050, 2090, 2255, 2350, 2585, 3854, 3895, 4465, 4510, 5170, 5225, 7790, 8569, 8930, 9635, 9823, 10450, 11275, 12925, 17138, 19270, 19475, 19646, 21197, 22325, 22550, 25850, 36613, 38950, 42394, 42845, 44650, 48175, 49115, 73226, 85690, 96350, 98230, 105985, 183065, 211970, 214225, 245575, 366130, 402743, 428450, 491150, 529925, 805486, 915325, 1059850, 1830650, 2013715, 4027430, 10068575, 20137150]

約数ペア:

[(1, 20137150), (2, 10068575), (5, 4027430), (10, 2013715), (11, 1830650), (19, 1059850), (22, 915325), (25, 805486), (38, 529925), (41, 491150), (47, 428450), (50, 402743), (55, 366130), (82, 245575), (94, 214225), (95, 211970), (110, 183065), (190, 105985), (205, 98230), (209, 96350), (235, 85690), (275, 73226), (410, 49115), (418, 48175), (451, 44650), (470, 42845), (475, 42394), (517, 38950), (550, 36613), (779, 25850), (893, 22550), (902, 22325), (950, 21197), (1025, 19646), (1034, 19475), (1045, 19270), (1175, 17138), (1558, 12925), (1786, 11275), (1927, 10450), (2050, 9823), (2090, 9635), (2255, 8930), (2350, 8569), (2585, 7790), (3854, 5225), (3895, 5170), (4465, 4510)]