20057552

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2055

約数の個数: 40

約数和(自身を含む): 42280776

約数和(自身を除く): 22223224

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 1993, 2516, 3986, 5032, 7972, 10064, 15944, 31888, 33881, 67762, 73741, 135524, 147482, 271048, 294964, 542096, 589928, 1179856, 1253597, 2507194, 5014388, 10028776, 20057552]

約数ペア:

[(1, 20057552), (2, 10028776), (4, 5014388), (8, 2507194), (16, 1253597), (17, 1179856), (34, 589928), (37, 542096), (68, 294964), (74, 271048), (136, 147482), (148, 135524), (272, 73741), (296, 67762), (592, 33881), (629, 31888), (1258, 15944), (1993, 10064), (2516, 7972), (3986, 5032)]