20628378

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 50699520

約数和(自身を除く): 30071142

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 27, 34, 46, 51, 54, 69, 102, 138, 153, 207, 306, 391, 414, 459, 621, 782, 918, 977, 1173, 1242, 1954, 2346, 2931, 3519, 5862, 7038, 8793, 10557, 16609, 17586, 21114, 22471, 26379, 33218, 44942, 49827, 52758, 67413, 99654, 134826, 149481, 202239, 298962, 382007, 404478, 448443, 606717, 764014, 896886, 1146021, 1213434, 2292042, 3438063, 6876126, 10314189, 20628378]

約数ペア:

[(1, 20628378), (2, 10314189), (3, 6876126), (6, 3438063), (9, 2292042), (17, 1213434), (18, 1146021), (23, 896886), (27, 764014), (34, 606717), (46, 448443), (51, 404478), (54, 382007), (69, 298962), (102, 202239), (138, 149481), (153, 134826), (207, 99654), (306, 67413), (391, 52758), (414, 49827), (459, 44942), (621, 33218), (782, 26379), (918, 22471), (977, 21114), (1173, 17586), (1242, 16609), (1954, 10557), (2346, 8793), (2931, 7038), (3519, 5862)]