20131976920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{273979}}^1$

素因数の和:274168

約数の個数: 64

約数和(自身を含む): 49710931200

約数和(自身を除く): 29578954280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 334, 440, 668, 835, 1336, 1670, 1837, 3340, 3674, 6680, 7348, 9185, 14696, 18370, 36740, 73480, 273979, 547958, 1095916, 1369895, 2191832, 2739790, 3013769, 5479580, 6027538, 10959160, 12055076, 15068845, 24110152, 30137690, 45754493, 60275380, 91508986, 120550760, 183017972, 228772465, 366035944, 457544930, 503299423, 915089860, 1006598846, 1830179720, 2013197692, 2516497115, 4026395384, 5032994230, 10065988460, 20131976920]

約数ペア:

[(1, 20131976920), (2, 10065988460), (4, 5032994230), (5, 4026395384), (8, 2516497115), (10, 2013197692), (11, 1830179720), (20, 1006598846), (22, 915089860), (40, 503299423), (44, 457544930), (55, 366035944), (88, 228772465), (110, 183017972), (167, 120550760), (220, 91508986), (334, 60275380), (440, 45754493), (668, 30137690), (835, 24110152), (1336, 15068845), (1670, 12055076), (1837, 10959160), (3340, 6027538), (3674, 5479580), (6680, 3013769), (7348, 2739790), (9185, 2191832), (14696, 1369895), (18370, 1095916), (36740, 547958), (73480, 273979)]