20067488

素因数分解:

$2^5\times 7^1\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 45650304

約数和(自身を除く): 25582816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 101, 112, 202, 224, 404, 707, 808, 887, 1414, 1616, 1774, 2828, 3232, 3548, 5656, 6209, 7096, 11312, 12418, 14192, 22624, 24836, 28384, 49672, 89587, 99344, 179174, 198688, 358348, 627109, 716696, 1254218, 1433392, 2508436, 2866784, 5016872, 10033744, 20067488]

約数ペア:

[(1, 20067488), (2, 10033744), (4, 5016872), (7, 2866784), (8, 2508436), (14, 1433392), (16, 1254218), (28, 716696), (32, 627109), (56, 358348), (101, 198688), (112, 179174), (202, 99344), (224, 89587), (404, 49672), (707, 28384), (808, 24836), (887, 22624), (1414, 14192), (1616, 12418), (1774, 11312), (2828, 7096), (3232, 6209), (3548, 5656)]