20381423556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{247913}}^1$

素因数の和:247981

約数の個数: 96

約数和(自身を含む): 55976997888

約数和(自身を除く): 35595574332

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 31, 34, 39, 51, 52, 62, 68, 78, 93, 102, 124, 156, 186, 204, 221, 372, 403, 442, 527, 663, 806, 884, 1054, 1209, 1326, 1581, 1612, 2108, 2418, 2652, 3162, 4836, 6324, 6851, 13702, 20553, 27404, 41106, 82212, 247913, 495826, 743739, 991652, 1487478, 2974956, 3222869, 4214521, 6445738, 7685303, 8429042, 9668607, 12643563, 12891476, 15370606, 16858084, 19337214, 23055909, 25287126, 30741212, 38674428, 46111818, 50574252, 54788773, 92223636, 99908939, 109577546, 130650151, 164366319, 199817878, 219155092, 261300302, 299726817, 328732638, 391950453, 399635756, 522600604, 599453634, 657465276, 783900906, 1198907268, 1567801812, 1698451963, 3396903926, 5095355889, 6793807852, 10190711778, 20381423556]

約数ペア:

[(1, 20381423556), (2, 10190711778), (3, 6793807852), (4, 5095355889), (6, 3396903926), (12, 1698451963), (13, 1567801812), (17, 1198907268), (26, 783900906), (31, 657465276), (34, 599453634), (39, 522600604), (51, 399635756), (52, 391950453), (62, 328732638), (68, 299726817), (78, 261300302), (93, 219155092), (102, 199817878), (124, 164366319), (156, 130650151), (186, 109577546), (204, 99908939), (221, 92223636), (372, 54788773), (403, 50574252), (442, 46111818), (527, 38674428), (663, 30741212), (806, 25287126), (884, 23055909), (1054, 19337214), (1209, 16858084), (1326, 15370606), (1581, 12891476), (1612, 12643563), (2108, 9668607), (2418, 8429042), (2652, 7685303), (3162, 6445738), (4836, 4214521), (6324, 3222869), (6851, 2974956), (13702, 1487478), (20553, 991652), (27404, 743739), (41106, 495826), (82212, 247913)]