20158175408

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{622781}}^1$

素因数の和:622830

約数の個数: 60

約数和(自身を含む): 47416130352

約数和(自身を除く): 27257954944

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 289, 476, 578, 952, 1156, 1904, 2023, 2312, 4046, 4624, 8092, 16184, 32368, 622781, 1245562, 2491124, 4359467, 4982248, 8718934, 9964496, 10587277, 17437868, 21174554, 34875736, 42349108, 69751472, 74110939, 84698216, 148221878, 169396432, 179983709, 296443756, 359967418, 592887512, 719934836, 1185775024, 1259885963, 1439869672, 2519771926, 2879739344, 5039543852, 10079087704, 20158175408]

約数ペア:

[(1, 20158175408), (2, 10079087704), (4, 5039543852), (7, 2879739344), (8, 2519771926), (14, 1439869672), (16, 1259885963), (17, 1185775024), (28, 719934836), (34, 592887512), (56, 359967418), (68, 296443756), (112, 179983709), (119, 169396432), (136, 148221878), (238, 84698216), (272, 74110939), (289, 69751472), (476, 42349108), (578, 34875736), (952, 21174554), (1156, 17437868), (1904, 10587277), (2023, 9964496), (2312, 8718934), (4046, 4982248), (4624, 4359467), (8092, 2491124), (16184, 1245562), (32368, 622781)]