20172959840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{369739}}^1$

素因数の和:369796

約数の個数: 96

約数和(自身を含む): 53668500480

約数和(自身を除く): 33495540640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 341, 352, 440, 496, 620, 682, 880, 992, 1240, 1364, 1705, 1760, 2480, 2728, 3410, 4960, 5456, 6820, 10912, 13640, 27280, 54560, 369739, 739478, 1478956, 1848695, 2957912, 3697390, 4067129, 5915824, 7394780, 8134258, 11461909, 11831648, 14789560, 16268516, 20335645, 22923818, 29579120, 32537032, 40671290, 45847636, 57309545, 59158240, 65074064, 81342580, 91695272, 114619090, 126080999, 130148128, 162685160, 183390544, 229238180, 252161998, 325370320, 366781088, 458476360, 504323996, 630404995, 650740640, 916952720, 1008647992, 1260809990, 1833905440, 2017295984, 2521619980, 4034591968, 5043239960, 10086479920, 20172959840]

約数ペア:

[(1, 20172959840), (2, 10086479920), (4, 5043239960), (5, 4034591968), (8, 2521619980), (10, 2017295984), (11, 1833905440), (16, 1260809990), (20, 1008647992), (22, 916952720), (31, 650740640), (32, 630404995), (40, 504323996), (44, 458476360), (55, 366781088), (62, 325370320), (80, 252161998), (88, 229238180), (110, 183390544), (124, 162685160), (155, 130148128), (160, 126080999), (176, 114619090), (220, 91695272), (248, 81342580), (310, 65074064), (341, 59158240), (352, 57309545), (440, 45847636), (496, 40671290), (620, 32537032), (682, 29579120), (880, 22923818), (992, 20335645), (1240, 16268516), (1364, 14789560), (1705, 11831648), (1760, 11461909), (2480, 8134258), (2728, 7394780), (3410, 5915824), (4960, 4067129), (5456, 3697390), (6820, 2957912), (10912, 1848695), (13640, 1478956), (27280, 739478), (54560, 369739)]