20228040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:396

約数の個数: 192

約数和(自身を含む): 78624000

約数和(自身を除く): 58395960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 115, 120, 126, 138, 140, 161, 168, 180, 184, 207, 210, 230, 252, 276, 280, 315, 322, 345, 349, 360, 414, 420, 460, 483, 504, 552, 630, 644, 690, 698, 805, 828, 840, 920, 966, 1035, 1047, 1260, 1288, 1380, 1396, 1449, 1610, 1656, 1745, 1932, 2070, 2094, 2415, 2443, 2520, 2760, 2792, 2898, 3141, 3220, 3490, 3864, 4140, 4188, 4830, 4886, 5235, 5796, 6282, 6440, 6980, 7245, 7329, 8027, 8280, 8376, 9660, 9772, 10470, 11592, 12215, 12564, 13960, 14490, 14658, 15705, 16054, 19320, 19544, 20940, 21987, 24081, 24430, 25128, 28980, 29316, 31410, 32108, 36645, 40135, 41880, 43974, 48162, 48860, 56189, 57960, 58632, 62820, 64216, 72243, 73290, 80270, 87948, 96324, 97720, 109935, 112378, 120405, 125640, 144486, 146580, 160540, 168567, 175896, 192648, 219870, 224756, 240810, 280945, 288972, 293160, 321080, 337134, 361215, 439740, 449512, 481620, 505701, 561890, 577944, 674268, 722430, 842835, 879480, 963240, 1011402, 1123780, 1348536, 1444860, 1685670, 2022804, 2247560, 2528505, 2889720, 3371340, 4045608, 5057010, 6742680, 10114020, 20228040]

約数ペア:

[(1, 20228040), (2, 10114020), (3, 6742680), (4, 5057010), (5, 4045608), (6, 3371340), (7, 2889720), (8, 2528505), (9, 2247560), (10, 2022804), (12, 1685670), (14, 1444860), (15, 1348536), (18, 1123780), (20, 1011402), (21, 963240), (23, 879480), (24, 842835), (28, 722430), (30, 674268), (35, 577944), (36, 561890), (40, 505701), (42, 481620), (45, 449512), (46, 439740), (56, 361215), (60, 337134), (63, 321080), (69, 293160), (70, 288972), (72, 280945), (84, 240810), (90, 224756), (92, 219870), (105, 192648), (115, 175896), (120, 168567), (126, 160540), (138, 146580), (140, 144486), (161, 125640), (168, 120405), (180, 112378), (184, 109935), (207, 97720), (210, 96324), (230, 87948), (252, 80270), (276, 73290), (280, 72243), (315, 64216), (322, 62820), (345, 58632), (349, 57960), (360, 56189), (414, 48860), (420, 48162), (460, 43974), (483, 41880), (504, 40135), (552, 36645), (630, 32108), (644, 31410), (690, 29316), (698, 28980), (805, 25128), (828, 24430), (840, 24081), (920, 21987), (966, 20940), (1035, 19544), (1047, 19320), (1260, 16054), (1288, 15705), (1380, 14658), (1396, 14490), (1449, 13960), (1610, 12564), (1656, 12215), (1745, 11592), (1932, 10470), (2070, 9772), (2094, 9660), (2415, 8376), (2443, 8280), (2520, 8027), (2760, 7329), (2792, 7245), (2898, 6980), (3141, 6440), (3220, 6282), (3490, 5796), (3864, 5235), (4140, 4886), (4188, 4830)]