20168022760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{967}}^1\times {\mathrm{30671}}^1$

素因数の和:31666

約数の個数: 64

約数和(自身を含む): 48098603520

約数和(自身を除く): 27930580760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 967, 1934, 3868, 4835, 7736, 9670, 16439, 19340, 30671, 32878, 38680, 61342, 65756, 82195, 122684, 131512, 153355, 164390, 245368, 306710, 328780, 521407, 613420, 657560, 1042814, 1226840, 2085628, 2607035, 4171256, 5214070, 10428140, 20856280, 29658857, 59317714, 118635428, 148294285, 237270856, 296588570, 504200569, 593177140, 1008401138, 1186354280, 2016802276, 2521002845, 4033604552, 5042005690, 10084011380, 20168022760]

約数ペア:

[(1, 20168022760), (2, 10084011380), (4, 5042005690), (5, 4033604552), (8, 2521002845), (10, 2016802276), (17, 1186354280), (20, 1008401138), (34, 593177140), (40, 504200569), (68, 296588570), (85, 237270856), (136, 148294285), (170, 118635428), (340, 59317714), (680, 29658857), (967, 20856280), (1934, 10428140), (3868, 5214070), (4835, 4171256), (7736, 2607035), (9670, 2085628), (16439, 1226840), (19340, 1042814), (30671, 657560), (32878, 613420), (38680, 521407), (61342, 328780), (65756, 306710), (82195, 245368), (122684, 164390), (131512, 153355)]