20161956412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{2711}}^1$

素因数の和:2971

約数の個数: 96

約数和(自身を含む): 41333483520

約数和(自身を除く): 21171527108

約数列:

[1, 2, 4, 13, 17, 26, 34, 47, 52, 68, 94, 179, 188, 221, 358, 442, 611, 716, 799, 884, 1222, 1598, 2327, 2444, 2711, 3043, 3196, 4654, 5422, 6086, 8413, 9308, 10387, 10844, 12172, 16826, 20774, 33652, 35243, 39559, 41548, 46087, 70486, 79118, 92174, 109369, 127417, 140972, 143021, 158236, 184348, 218738, 254834, 286042, 437476, 485269, 509668, 572084, 599131, 970538, 1198262, 1656421, 1859273, 1941076, 2166089, 2396524, 3312842, 3718546, 4332178, 6308497, 6625684, 7437092, 8249573, 8664356, 12616994, 16499146, 22807643, 25233988, 28159157, 32998292, 45615286, 56318314, 91230572, 107244449, 112636628, 214488898, 296499359, 387729931, 428977796, 592998718, 775459862, 1185997436, 1550919724, 5040489103, 10080978206, 20161956412]

約数ペア:

[(1, 20161956412), (2, 10080978206), (4, 5040489103), (13, 1550919724), (17, 1185997436), (26, 775459862), (34, 592998718), (47, 428977796), (52, 387729931), (68, 296499359), (94, 214488898), (179, 112636628), (188, 107244449), (221, 91230572), (358, 56318314), (442, 45615286), (611, 32998292), (716, 28159157), (799, 25233988), (884, 22807643), (1222, 16499146), (1598, 12616994), (2327, 8664356), (2444, 8249573), (2711, 7437092), (3043, 6625684), (3196, 6308497), (4654, 4332178), (5422, 3718546), (6086, 3312842), (8413, 2396524), (9308, 2166089), (10387, 1941076), (10844, 1859273), (12172, 1656421), (16826, 1198262), (20774, 970538), (33652, 599131), (35243, 572084), (39559, 509668), (41548, 485269), (46087, 437476), (70486, 286042), (79118, 254834), (92174, 218738), (109369, 184348), (127417, 158236), (140972, 143021)]