20175082760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{10289}}^1$

素因数の和:10503

約数の個数: 128

約数和(自身を含む): 53343360000

約数和(自身を除く): 33168277240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 149, 188, 235, 280, 298, 329, 376, 470, 596, 658, 745, 940, 1043, 1192, 1316, 1490, 1645, 1880, 2086, 2632, 2980, 3290, 4172, 5215, 5960, 6580, 7003, 8344, 10289, 10430, 13160, 14006, 20578, 20860, 28012, 35015, 41156, 41720, 49021, 51445, 56024, 70030, 72023, 82312, 98042, 102890, 140060, 144046, 196084, 205780, 245105, 280120, 288092, 360115, 392168, 411560, 483583, 490210, 576184, 720230, 967166, 980420, 1440460, 1533061, 1934332, 1960840, 2417915, 2880920, 3066122, 3385081, 3868664, 4835830, 6132244, 6770162, 7665305, 9671660, 10731427, 12264488, 13540324, 15330610, 16925405, 19343320, 21462854, 27080648, 30661220, 33850810, 42925708, 53657135, 61322440, 67701620, 72053867, 85851416, 107314270, 135403240, 144107734, 214628540, 288215468, 360269335, 429257080, 504377069, 576430936, 720538670, 1008754138, 1441077340, 2017508276, 2521885345, 2882154680, 4035016552, 5043770690, 10087541380, 20175082760]

約数ペア:

[(1, 20175082760), (2, 10087541380), (4, 5043770690), (5, 4035016552), (7, 2882154680), (8, 2521885345), (10, 2017508276), (14, 1441077340), (20, 1008754138), (28, 720538670), (35, 576430936), (40, 504377069), (47, 429257080), (56, 360269335), (70, 288215468), (94, 214628540), (140, 144107734), (149, 135403240), (188, 107314270), (235, 85851416), (280, 72053867), (298, 67701620), (329, 61322440), (376, 53657135), (470, 42925708), (596, 33850810), (658, 30661220), (745, 27080648), (940, 21462854), (1043, 19343320), (1192, 16925405), (1316, 15330610), (1490, 13540324), (1645, 12264488), (1880, 10731427), (2086, 9671660), (2632, 7665305), (2980, 6770162), (3290, 6132244), (4172, 4835830), (5215, 3868664), (5960, 3385081), (6580, 3066122), (7003, 2880920), (8344, 2417915), (10289, 1960840), (10430, 1934332), (13160, 1533061), (14006, 1440460), (20578, 980420), (20860, 967166), (28012, 720230), (35015, 576184), (41156, 490210), (41720, 483583), (49021, 411560), (51445, 392168), (56024, 360115), (70030, 288092), (72023, 280120), (82312, 245105), (98042, 205780), (102890, 196084), (140060, 144046)]