20124180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:550

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 43379820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 83, 90, 108, 135, 166, 180, 249, 270, 332, 415, 449, 498, 540, 747, 830, 898, 996, 1245, 1347, 1494, 1660, 1796, 2241, 2245, 2490, 2694, 2988, 3735, 4041, 4482, 4490, 4980, 5388, 6735, 7470, 8082, 8964, 8980, 11205, 12123, 13470, 14940, 16164, 20205, 22410, 24246, 26940, 37267, 40410, 44820, 48492, 60615, 74534, 80820, 111801, 121230, 149068, 186335, 223602, 242460, 335403, 372670, 447204, 559005, 670806, 745340, 1006209, 1118010, 1341612, 1677015, 2012418, 2236020, 3354030, 4024836, 5031045, 6708060, 10062090, 20124180]

約数ペア:

[(1, 20124180), (2, 10062090), (3, 6708060), (4, 5031045), (5, 4024836), (6, 3354030), (9, 2236020), (10, 2012418), (12, 1677015), (15, 1341612), (18, 1118010), (20, 1006209), (27, 745340), (30, 670806), (36, 559005), (45, 447204), (54, 372670), (60, 335403), (83, 242460), (90, 223602), (108, 186335), (135, 149068), (166, 121230), (180, 111801), (249, 80820), (270, 74534), (332, 60615), (415, 48492), (449, 44820), (498, 40410), (540, 37267), (747, 26940), (830, 24246), (898, 22410), (996, 20205), (1245, 16164), (1347, 14940), (1494, 13470), (1660, 12123), (1796, 11205), (2241, 8980), (2245, 8964), (2490, 8082), (2694, 7470), (2988, 6735), (3735, 5388), (4041, 4980), (4482, 4490)]