20077088

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 41981184

約数和(自身を除く): 21904096

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 74, 124, 148, 248, 296, 496, 547, 592, 992, 1094, 1147, 1184, 2188, 2294, 4376, 4588, 8752, 9176, 16957, 17504, 18352, 20239, 33914, 36704, 40478, 67828, 80956, 135656, 161912, 271312, 323824, 542624, 627409, 647648, 1254818, 2509636, 5019272, 10038544, 20077088]

約数ペア:

[(1, 20077088), (2, 10038544), (4, 5019272), (8, 2509636), (16, 1254818), (31, 647648), (32, 627409), (37, 542624), (62, 323824), (74, 271312), (124, 161912), (148, 135656), (248, 80956), (296, 67828), (496, 40478), (547, 36704), (592, 33914), (992, 20239), (1094, 18352), (1147, 17504), (1184, 16957), (2188, 9176), (2294, 8752), (4376, 4588)]