20538516

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1213}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 51395904

約数和(自身を除く): 30857388

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 83, 102, 166, 204, 249, 332, 498, 996, 1213, 1411, 2426, 2822, 3639, 4233, 4852, 5644, 7278, 8466, 14556, 16932, 20621, 41242, 61863, 82484, 100679, 123726, 201358, 247452, 302037, 402716, 604074, 1208148, 1711543, 3423086, 5134629, 6846172, 10269258, 20538516]

約数ペア:

[(1, 20538516), (2, 10269258), (3, 6846172), (4, 5134629), (6, 3423086), (12, 1711543), (17, 1208148), (34, 604074), (51, 402716), (68, 302037), (83, 247452), (102, 201358), (166, 123726), (204, 100679), (249, 82484), (332, 61863), (498, 41242), (996, 20621), (1213, 16932), (1411, 14556), (2426, 8466), (2822, 7278), (3639, 5644), (4233, 4852)]