20131568660

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{83}}^1\times {\mathrm{5051}}^1$

素因数の和:5171

約数の個数: 120

約数和(自身を含む): 49923500256

約数和(自身を除く): 29791931596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 343, 415, 490, 581, 686, 830, 980, 1162, 1372, 1660, 1715, 2324, 2401, 2905, 3430, 4067, 4802, 5051, 5810, 6860, 8134, 9604, 10102, 11620, 12005, 16268, 20204, 20335, 24010, 25255, 28469, 35357, 40670, 48020, 50510, 56938, 70714, 81340, 101020, 113876, 141428, 142345, 176785, 199283, 247499, 284690, 353570, 398566, 419233, 494998, 569380, 707140, 797132, 838466, 989996, 996415, 1237495, 1676932, 1732493, 1992830, 2096165, 2474990, 2934631, 3464986, 3985660, 4192330, 4949980, 5869262, 6929972, 8384660, 8662465, 11738524, 12127451, 14673155, 17324930, 20542417, 24254902, 29346310, 34649860, 41084834, 48509804, 58692620, 60637255, 82169668, 102712085, 121274510, 143796919, 205424170, 242549020, 287593838, 410848340, 575187676, 718984595, 1006578433, 1437969190, 2013156866, 2875938380, 4026313732, 5032892165, 10065784330, 20131568660]

約数ペア:

[(1, 20131568660), (2, 10065784330), (4, 5032892165), (5, 4026313732), (7, 2875938380), (10, 2013156866), (14, 1437969190), (20, 1006578433), (28, 718984595), (35, 575187676), (49, 410848340), (70, 287593838), (83, 242549020), (98, 205424170), (140, 143796919), (166, 121274510), (196, 102712085), (245, 82169668), (332, 60637255), (343, 58692620), (415, 48509804), (490, 41084834), (581, 34649860), (686, 29346310), (830, 24254902), (980, 20542417), (1162, 17324930), (1372, 14673155), (1660, 12127451), (1715, 11738524), (2324, 8662465), (2401, 8384660), (2905, 6929972), (3430, 5869262), (4067, 4949980), (4802, 4192330), (5051, 3985660), (5810, 3464986), (6860, 2934631), (8134, 2474990), (9604, 2096165), (10102, 1992830), (11620, 1732493), (12005, 1676932), (16268, 1237495), (20204, 996415), (20335, 989996), (24010, 838466), (25255, 797132), (28469, 707140), (35357, 569380), (40670, 494998), (48020, 419233), (50510, 398566), (56938, 353570), (70714, 284690), (81340, 247499), (101020, 199283), (113876, 176785), (141428, 142345)]