20512800950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{229}}^1\times {\mathrm{6199}}^1$

素因数の和:6474

約数の個数: 72

約数和(自身を含む): 40713726000

約数和(自身を除く): 20200925050

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 229, 289, 425, 458, 578, 850, 1145, 1445, 2290, 2890, 3893, 5725, 6199, 7225, 7786, 11450, 12398, 14450, 19465, 30995, 38930, 61990, 66181, 97325, 105383, 132362, 154975, 194650, 210766, 309950, 330905, 526915, 661810, 1053830, 1419571, 1654525, 1791511, 2634575, 2839142, 3309050, 3583022, 5269150, 7097855, 8957555, 14195710, 17915110, 24132707, 35489275, 44787775, 48265414, 70978550, 89575550, 120663535, 241327070, 410256019, 603317675, 820512038, 1206635350, 2051280095, 4102560190, 10256400475, 20512800950]

約数ペア:

[(1, 20512800950), (2, 10256400475), (5, 4102560190), (10, 2051280095), (17, 1206635350), (25, 820512038), (34, 603317675), (50, 410256019), (85, 241327070), (170, 120663535), (229, 89575550), (289, 70978550), (425, 48265414), (458, 44787775), (578, 35489275), (850, 24132707), (1145, 17915110), (1445, 14195710), (2290, 8957555), (2890, 7097855), (3893, 5269150), (5725, 3583022), (6199, 3309050), (7225, 2839142), (7786, 2634575), (11450, 1791511), (12398, 1654525), (14450, 1419571), (19465, 1053830), (30995, 661810), (38930, 526915), (61990, 330905), (66181, 309950), (97325, 210766), (105383, 194650), (132362, 154975)]