20453160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1873}}^1$

素因数の和:1907

約数の個数: 128

約数和(自身を含む): 75559680

約数和(自身を除く): 55106520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 1873, 2184, 2730, 3640, 3746, 5460, 5619, 7492, 9365, 10920, 11238, 13111, 14984, 18730, 22476, 24349, 26222, 28095, 37460, 39333, 44952, 48698, 52444, 56190, 65555, 73047, 74920, 78666, 97396, 104888, 112380, 121745, 131110, 146094, 157332, 170443, 194792, 196665, 224760, 243490, 262220, 292188, 314664, 340886, 365235, 393330, 486980, 511329, 524440, 584376, 681772, 730470, 786660, 852215, 973960, 1022658, 1363544, 1460940, 1573320, 1704430, 2045316, 2556645, 2921880, 3408860, 4090632, 5113290, 6817720, 10226580, 20453160]

約数ペア:

[(1, 20453160), (2, 10226580), (3, 6817720), (4, 5113290), (5, 4090632), (6, 3408860), (7, 2921880), (8, 2556645), (10, 2045316), (12, 1704430), (13, 1573320), (14, 1460940), (15, 1363544), (20, 1022658), (21, 973960), (24, 852215), (26, 786660), (28, 730470), (30, 681772), (35, 584376), (39, 524440), (40, 511329), (42, 486980), (52, 393330), (56, 365235), (60, 340886), (65, 314664), (70, 292188), (78, 262220), (84, 243490), (91, 224760), (104, 196665), (105, 194792), (120, 170443), (130, 157332), (140, 146094), (156, 131110), (168, 121745), (182, 112380), (195, 104888), (210, 97396), (260, 78666), (273, 74920), (280, 73047), (312, 65555), (364, 56190), (390, 52444), (420, 48698), (455, 44952), (520, 39333), (546, 37460), (728, 28095), (780, 26222), (840, 24349), (910, 22476), (1092, 18730), (1365, 14984), (1560, 13111), (1820, 11238), (1873, 10920), (2184, 9365), (2730, 7492), (3640, 5619), (3746, 5460)]