2020199896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{953}}^1$

素因数の和:1109

約数の個数: 128

約数和(自身を含む): 4760078400

約数和(自身を除く): 2739878504

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 109, 136, 143, 187, 218, 221, 286, 374, 436, 442, 572, 748, 872, 884, 953, 1144, 1199, 1417, 1496, 1768, 1853, 1906, 2398, 2431, 2834, 3706, 3812, 4796, 4862, 5668, 7412, 7624, 9592, 9724, 10483, 11336, 12389, 14824, 15587, 16201, 19448, 20383, 20966, 24089, 24778, 31174, 32402, 40766, 41932, 48178, 49556, 62348, 64804, 81532, 83864, 96356, 99112, 103877, 124696, 129608, 136279, 163064, 178211, 192712, 207754, 210613, 264979, 272558, 356422, 415508, 421226, 529958, 545116, 712844, 831016, 842452, 1059916, 1090232, 1142647, 1350401, 1425688, 1684904, 1765909, 2119832, 2285294, 2316743, 2700802, 3531818, 4570588, 4633486, 5401604, 7063636, 9141176, 9266972, 10803208, 14127272, 14854411, 18533944, 19424999, 22956817, 29708822, 38849998, 45913634, 59417644, 77699996, 91827268, 118835288, 155399992, 183654536, 252524987, 505049974, 1010099948, 2020199896]

約数ペア:

[(1, 2020199896), (2, 1010099948), (4, 505049974), (8, 252524987), (11, 183654536), (13, 155399992), (17, 118835288), (22, 91827268), (26, 77699996), (34, 59417644), (44, 45913634), (52, 38849998), (68, 29708822), (88, 22956817), (104, 19424999), (109, 18533944), (136, 14854411), (143, 14127272), (187, 10803208), (218, 9266972), (221, 9141176), (286, 7063636), (374, 5401604), (436, 4633486), (442, 4570588), (572, 3531818), (748, 2700802), (872, 2316743), (884, 2285294), (953, 2119832), (1144, 1765909), (1199, 1684904), (1417, 1425688), (1496, 1350401), (1768, 1142647), (1853, 1090232), (1906, 1059916), (2398, 842452), (2431, 831016), (2834, 712844), (3706, 545116), (3812, 529958), (4796, 421226), (4862, 415508), (5668, 356422), (7412, 272558), (7624, 264979), (9592, 210613), (9724, 207754), (10483, 192712), (11336, 178211), (12389, 163064), (14824, 136279), (15587, 129608), (16201, 124696), (19448, 103877), (20383, 99112), (20966, 96356), (24089, 83864), (24778, 81532), (31174, 64804), (32402, 62348), (40766, 49556), (41932, 48178)]