20189092

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 45581760

約数和(自身を除く): 25392668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 101, 118, 121, 154, 202, 236, 242, 308, 404, 413, 484, 649, 707, 826, 847, 1111, 1298, 1414, 1652, 1694, 2222, 2596, 2828, 3388, 4444, 4543, 5959, 7139, 7777, 9086, 11918, 12221, 14278, 15554, 18172, 23836, 24442, 28556, 31108, 41713, 48884, 49973, 65549, 83426, 85547, 99946, 131098, 166852, 171094, 199892, 262196, 342188, 458843, 721039, 917686, 1442078, 1835372, 2884156, 5047273, 10094546, 20189092]

約数ペア:

[(1, 20189092), (2, 10094546), (4, 5047273), (7, 2884156), (11, 1835372), (14, 1442078), (22, 917686), (28, 721039), (44, 458843), (59, 342188), (77, 262196), (101, 199892), (118, 171094), (121, 166852), (154, 131098), (202, 99946), (236, 85547), (242, 83426), (308, 65549), (404, 49973), (413, 48884), (484, 41713), (649, 31108), (707, 28556), (826, 24442), (847, 23836), (1111, 18172), (1298, 15554), (1414, 14278), (1652, 12221), (1694, 11918), (2222, 9086), (2596, 7777), (2828, 7139), (3388, 5959), (4444, 4543)]