20115174976

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{1249}}^1\times {\mathrm{1489}}^1$

素因数の和:2776

約数の個数: 84

約数和(自身を含む): 43286362500

約数和(自身を除く): 23171187524

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1249, 1352, 1489, 2498, 2704, 2978, 4996, 5408, 5956, 9992, 10816, 11912, 16237, 19357, 19984, 23824, 32474, 38714, 39968, 47648, 64948, 77428, 79936, 95296, 129896, 154856, 211081, 251641, 259792, 309712, 422162, 503282, 519584, 619424, 844324, 1006564, 1039168, 1238848, 1688648, 1859761, 2013128, 3377296, 3719522, 4026256, 6754592, 7439044, 8052512, 13509184, 14878088, 16105024, 24176893, 29756176, 48353786, 59512352, 96707572, 119024704, 193415144, 314299609, 386830288, 628599218, 773660576, 1257198436, 1547321152, 2514396872, 5028793744, 10057587488, 20115174976]

約数ペア:

[(1, 20115174976), (2, 10057587488), (4, 5028793744), (8, 2514396872), (13, 1547321152), (16, 1257198436), (26, 773660576), (32, 628599218), (52, 386830288), (64, 314299609), (104, 193415144), (169, 119024704), (208, 96707572), (338, 59512352), (416, 48353786), (676, 29756176), (832, 24176893), (1249, 16105024), (1352, 14878088), (1489, 13509184), (2498, 8052512), (2704, 7439044), (2978, 6754592), (4996, 4026256), (5408, 3719522), (5956, 3377296), (9992, 2013128), (10816, 1859761), (11912, 1688648), (16237, 1238848), (19357, 1039168), (19984, 1006564), (23824, 844324), (32474, 619424), (38714, 519584), (39968, 503282), (47648, 422162), (64948, 309712), (77428, 259792), (79936, 251641), (95296, 211081), (129896, 154856)]