20237280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:361

約数の個数: 192

約数和(自身を含む): 76930560

約数和(自身を除く): 56693280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 317, 336, 380, 399, 420, 456, 480, 532, 560, 570, 608, 634, 665, 672, 760, 798, 840, 912, 951, 1064, 1120, 1140, 1268, 1330, 1520, 1585, 1596, 1680, 1824, 1902, 1995, 2128, 2219, 2280, 2536, 2660, 3040, 3170, 3192, 3360, 3804, 3990, 4256, 4438, 4560, 4755, 5072, 5320, 6023, 6340, 6384, 6657, 7608, 7980, 8876, 9120, 9510, 10144, 10640, 11095, 12046, 12680, 12768, 13314, 15216, 15960, 17752, 18069, 19020, 21280, 22190, 24092, 25360, 26628, 30115, 30432, 31920, 33285, 35504, 36138, 38040, 42161, 44380, 48184, 50720, 53256, 60230, 63840, 66570, 71008, 72276, 76080, 84322, 88760, 90345, 96368, 106512, 120460, 126483, 133140, 144552, 152160, 168644, 177520, 180690, 192736, 210805, 213024, 240920, 252966, 266280, 289104, 337288, 355040, 361380, 421610, 481840, 505932, 532560, 578208, 632415, 674576, 722760, 843220, 963680, 1011864, 1065120, 1264830, 1349152, 1445520, 1686440, 2023728, 2529660, 2891040, 3372880, 4047456, 5059320, 6745760, 10118640, 20237280]

約数ペア:

[(1, 20237280), (2, 10118640), (3, 6745760), (4, 5059320), (5, 4047456), (6, 3372880), (7, 2891040), (8, 2529660), (10, 2023728), (12, 1686440), (14, 1445520), (15, 1349152), (16, 1264830), (19, 1065120), (20, 1011864), (21, 963680), (24, 843220), (28, 722760), (30, 674576), (32, 632415), (35, 578208), (38, 532560), (40, 505932), (42, 481840), (48, 421610), (56, 361380), (57, 355040), (60, 337288), (70, 289104), (76, 266280), (80, 252966), (84, 240920), (95, 213024), (96, 210805), (105, 192736), (112, 180690), (114, 177520), (120, 168644), (133, 152160), (140, 144552), (152, 133140), (160, 126483), (168, 120460), (190, 106512), (210, 96368), (224, 90345), (228, 88760), (240, 84322), (266, 76080), (280, 72276), (285, 71008), (304, 66570), (317, 63840), (336, 60230), (380, 53256), (399, 50720), (420, 48184), (456, 44380), (480, 42161), (532, 38040), (560, 36138), (570, 35504), (608, 33285), (634, 31920), (665, 30432), (672, 30115), (760, 26628), (798, 25360), (840, 24092), (912, 22190), (951, 21280), (1064, 19020), (1120, 18069), (1140, 17752), (1268, 15960), (1330, 15216), (1520, 13314), (1585, 12768), (1596, 12680), (1680, 12046), (1824, 11095), (1902, 10640), (1995, 10144), (2128, 9510), (2219, 9120), (2280, 8876), (2536, 7980), (2660, 7608), (3040, 6657), (3170, 6384), (3192, 6340), (3360, 6023), (3804, 5320), (3990, 5072), (4256, 4755), (4438, 4560)]