20191136

素因数分解:

$2^5\times 7^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 72

約数和(自身を含む): 47113920

約数和(自身を除く): 26922784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 79, 98, 112, 158, 163, 196, 224, 316, 326, 392, 553, 632, 652, 784, 1106, 1141, 1264, 1304, 1568, 2212, 2282, 2528, 2608, 3871, 4424, 4564, 5216, 7742, 7987, 8848, 9128, 12877, 15484, 15974, 17696, 18256, 25754, 30968, 31948, 36512, 51508, 61936, 63896, 90139, 103016, 123872, 127792, 180278, 206032, 255584, 360556, 412064, 630973, 721112, 1261946, 1442224, 2523892, 2884448, 5047784, 10095568, 20191136]

約数ペア:

[(1, 20191136), (2, 10095568), (4, 5047784), (7, 2884448), (8, 2523892), (14, 1442224), (16, 1261946), (28, 721112), (32, 630973), (49, 412064), (56, 360556), (79, 255584), (98, 206032), (112, 180278), (158, 127792), (163, 123872), (196, 103016), (224, 90139), (316, 63896), (326, 61936), (392, 51508), (553, 36512), (632, 31948), (652, 30968), (784, 25754), (1106, 18256), (1141, 17696), (1264, 15974), (1304, 15484), (1568, 12877), (2212, 9128), (2282, 8848), (2528, 7987), (2608, 7742), (3871, 5216), (4424, 4564)]