20181767056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{619}}^1\times {\mathrm{641}}^1$

素因数の和:1313

約数の個数: 120

約数和(自身を含む): 45457760160

約数和(自身を除く): 25275993104

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 289, 374, 578, 619, 641, 748, 1156, 1238, 1282, 1496, 2312, 2476, 2564, 2992, 3179, 4624, 4952, 5128, 6358, 6809, 7051, 9904, 10256, 10523, 10897, 12716, 13618, 14102, 21046, 21794, 25432, 27236, 28204, 42092, 43588, 50864, 54472, 56408, 84184, 87176, 108944, 112816, 115753, 119867, 168368, 174352, 178891, 185249, 231506, 239734, 357782, 370498, 396779, 463012, 479468, 715564, 740996, 793558, 926024, 958936, 1431128, 1481992, 1587116, 1852048, 1917872, 1967801, 2037739, 2862256, 2963984, 3174232, 3935602, 4075478, 4364569, 6348464, 6745243, 7871204, 8150956, 8729138, 13490486, 15742408, 16301912, 17458276, 26980972, 31484816, 32603824, 34916552, 53961944, 69833104, 74197673, 107923888, 114669131, 148395346, 229338262, 296790692, 458676524, 593581384, 917353048, 1187162768, 1261360441, 1834706096, 2522720882, 5045441764, 10090883528, 20181767056]

約数ペア:

[(1, 20181767056), (2, 10090883528), (4, 5045441764), (8, 2522720882), (11, 1834706096), (16, 1261360441), (17, 1187162768), (22, 917353048), (34, 593581384), (44, 458676524), (68, 296790692), (88, 229338262), (136, 148395346), (176, 114669131), (187, 107923888), (272, 74197673), (289, 69833104), (374, 53961944), (578, 34916552), (619, 32603824), (641, 31484816), (748, 26980972), (1156, 17458276), (1238, 16301912), (1282, 15742408), (1496, 13490486), (2312, 8729138), (2476, 8150956), (2564, 7871204), (2992, 6745243), (3179, 6348464), (4624, 4364569), (4952, 4075478), (5128, 3935602), (6358, 3174232), (6809, 2963984), (7051, 2862256), (9904, 2037739), (10256, 1967801), (10523, 1917872), (10897, 1852048), (12716, 1587116), (13618, 1481992), (14102, 1431128), (21046, 958936), (21794, 926024), (25432, 793558), (27236, 740996), (28204, 715564), (42092, 479468), (43588, 463012), (50864, 396779), (54472, 370498), (56408, 357782), (84184, 239734), (87176, 231506), (108944, 185249), (112816, 178891), (115753, 174352), (119867, 168368)]