20025529720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{105331}}^1$

素因数の和:105453

約数の個数: 96

約数和(自身を含む): 52954609680

約数和(自身を除く): 32929079960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 97, 98, 140, 194, 196, 245, 280, 388, 392, 485, 490, 679, 776, 970, 980, 1358, 1940, 1960, 2716, 3395, 3880, 4753, 5432, 6790, 9506, 13580, 19012, 23765, 27160, 38024, 47530, 95060, 105331, 190120, 210662, 421324, 526655, 737317, 842648, 1053310, 1474634, 2106620, 2949268, 3686585, 4213240, 5161219, 5898536, 7373170, 10217107, 10322438, 14746340, 20434214, 20644876, 25806095, 29492680, 40868428, 41289752, 51085535, 51612190, 71519749, 81736856, 102171070, 103224380, 143039498, 204342140, 206448760, 286078996, 357598745, 408684280, 500638243, 572157992, 715197490, 1001276486, 1430394980, 2002552972, 2503191215, 2860789960, 4005105944, 5006382430, 10012764860, 20025529720]

約数ペア:

[(1, 20025529720), (2, 10012764860), (4, 5006382430), (5, 4005105944), (7, 2860789960), (8, 2503191215), (10, 2002552972), (14, 1430394980), (20, 1001276486), (28, 715197490), (35, 572157992), (40, 500638243), (49, 408684280), (56, 357598745), (70, 286078996), (97, 206448760), (98, 204342140), (140, 143039498), (194, 103224380), (196, 102171070), (245, 81736856), (280, 71519749), (388, 51612190), (392, 51085535), (485, 41289752), (490, 40868428), (679, 29492680), (776, 25806095), (970, 20644876), (980, 20434214), (1358, 14746340), (1940, 10322438), (1960, 10217107), (2716, 7373170), (3395, 5898536), (3880, 5161219), (4753, 4213240), (5432, 3686585), (6790, 2949268), (9506, 2106620), (13580, 1474634), (19012, 1053310), (23765, 842648), (27160, 737317), (38024, 526655), (47530, 421324), (95060, 210662), (105331, 190120)]