20132619220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{387613}}^1$

素因数の和:387689

約数の個数: 72

約数和(自身を含む): 50109187464

約数和(自身を除く): 29976568244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1855, 2597, 3710, 5194, 7420, 10388, 12985, 25970, 51940, 387613, 775226, 1550452, 1938065, 2713291, 3876130, 5426582, 7752260, 10853164, 13566455, 18993037, 20543489, 27132910, 37986074, 41086978, 54265820, 75972148, 82173956, 94965185, 102717445, 143804423, 189930370, 205434890, 287608846, 379860740, 410869780, 575217692, 719022115, 1006630961, 1438044230, 2013261922, 2876088460, 4026523844, 5033154805, 10066309610, 20132619220]

約数ペア:

[(1, 20132619220), (2, 10066309610), (4, 5033154805), (5, 4026523844), (7, 2876088460), (10, 2013261922), (14, 1438044230), (20, 1006630961), (28, 719022115), (35, 575217692), (49, 410869780), (53, 379860740), (70, 287608846), (98, 205434890), (106, 189930370), (140, 143804423), (196, 102717445), (212, 94965185), (245, 82173956), (265, 75972148), (371, 54265820), (490, 41086978), (530, 37986074), (742, 27132910), (980, 20543489), (1060, 18993037), (1484, 13566455), (1855, 10853164), (2597, 7752260), (3710, 5426582), (5194, 3876130), (7420, 2713291), (10388, 1938065), (12985, 1550452), (25970, 775226), (51940, 387613)]