20988768

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 38765472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 37, 38, 48, 57, 74, 76, 96, 111, 114, 148, 152, 222, 228, 296, 304, 311, 444, 456, 592, 608, 622, 703, 888, 912, 933, 1184, 1244, 1406, 1776, 1824, 1866, 2109, 2488, 2812, 3552, 3732, 4218, 4976, 5624, 5909, 7464, 8436, 9952, 11248, 11507, 11818, 14928, 16872, 17727, 22496, 23014, 23636, 29856, 33744, 34521, 35454, 46028, 47272, 67488, 69042, 70908, 92056, 94544, 138084, 141816, 184112, 189088, 218633, 276168, 283632, 368224, 437266, 552336, 567264, 655899, 874532, 1104672, 1311798, 1749064, 2623596, 3498128, 5247192, 6996256, 10494384, 20988768]

約数ペア:

[(1, 20988768), (2, 10494384), (3, 6996256), (4, 5247192), (6, 3498128), (8, 2623596), (12, 1749064), (16, 1311798), (19, 1104672), (24, 874532), (32, 655899), (37, 567264), (38, 552336), (48, 437266), (57, 368224), (74, 283632), (76, 276168), (96, 218633), (111, 189088), (114, 184112), (148, 141816), (152, 138084), (222, 94544), (228, 92056), (296, 70908), (304, 69042), (311, 67488), (444, 47272), (456, 46028), (592, 35454), (608, 34521), (622, 33744), (703, 29856), (888, 23636), (912, 23014), (933, 22496), (1184, 17727), (1244, 16872), (1406, 14928), (1776, 11818), (1824, 11507), (1866, 11248), (2109, 9952), (2488, 8436), (2812, 7464), (3552, 5909), (3732, 5624), (4218, 4976)]