20183178890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{1931}}^1$

素因数の和:2292

約数の個数: 96

約数和(自身を含む): 42958931904

約数和(自身を除く): 22775753014

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 166, 245, 257, 415, 490, 514, 581, 830, 1162, 1285, 1799, 1931, 2570, 2905, 3598, 3862, 4067, 5810, 8134, 8995, 9655, 12593, 13517, 17990, 19310, 20335, 21331, 25186, 27034, 40670, 42662, 62965, 67585, 94619, 106655, 125930, 135170, 149317, 160273, 189238, 213310, 298634, 320546, 473095, 496267, 746585, 801365, 946190, 992534, 1045219, 1121911, 1493170, 1602730, 2090438, 2243822, 2481335, 3473869, 4962670, 5226095, 5609555, 6947738, 7853377, 10452190, 11219110, 15706754, 17369345, 24317083, 34738690, 39266885, 41190161, 48634166, 78533770, 82380322, 121585415, 205950805, 243170830, 288331127, 411901610, 576662254, 1441655635, 2018317889, 2883311270, 4036635778, 10091589445, 20183178890]

約数ペア:

[(1, 20183178890), (2, 10091589445), (5, 4036635778), (7, 2883311270), (10, 2018317889), (14, 1441655635), (35, 576662254), (49, 411901610), (70, 288331127), (83, 243170830), (98, 205950805), (166, 121585415), (245, 82380322), (257, 78533770), (415, 48634166), (490, 41190161), (514, 39266885), (581, 34738690), (830, 24317083), (1162, 17369345), (1285, 15706754), (1799, 11219110), (1931, 10452190), (2570, 7853377), (2905, 6947738), (3598, 5609555), (3862, 5226095), (4067, 4962670), (5810, 3473869), (8134, 2481335), (8995, 2243822), (9655, 2090438), (12593, 1602730), (13517, 1493170), (17990, 1121911), (19310, 1045219), (20335, 992534), (21331, 946190), (25186, 801365), (27034, 746585), (40670, 496267), (42662, 473095), (62965, 320546), (67585, 298634), (94619, 213310), (106655, 189238), (125930, 160273), (135170, 149317)]