20897777376

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{1367}}^1\times {\mathrm{7583}}^1$

素因数の和:8973

約数の個数: 144

約数和(自身を含む): 67976423424

約数和(自身を除く): 47078646048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 1367, 2016, 2734, 4101, 5468, 7583, 8202, 9569, 10936, 12303, 15166, 16404, 19138, 21872, 22749, 24606, 28707, 30332, 32808, 38276, 43744, 45498, 49212, 53081, 57414, 60664, 65616, 68247, 76552, 86121, 90996, 98424, 106162, 114828, 121328, 131232, 136494, 153104, 159243, 172242, 181992, 196848, 212324, 229656, 242656, 272988, 306208, 318486, 344484, 363984, 393696, 424648, 459312, 477729, 545976, 636972, 688968, 727968, 849296, 918624, 955458, 1091952, 1273944, 1377936, 1698592, 1910916, 2183904, 2547888, 2755872, 3821832, 5095776, 7643664, 10365961, 15287328, 20731922, 31097883, 41463844, 62195766, 72561727, 82927688, 93293649, 124391532, 145123454, 165855376, 186587298, 217685181, 248783064, 290246908, 331710752, 373174596, 435370362, 497566128, 580493816, 653055543, 746349192, 870740724, 995132256, 1160987632, 1306111086, 1492698384, 1741481448, 2321975264, 2612222172, 2985396768, 3482962896, 5224444344, 6965925792, 10448888688, 20897777376]

約数ペア:

[(1, 20897777376), (2, 10448888688), (3, 6965925792), (4, 5224444344), (6, 3482962896), (7, 2985396768), (8, 2612222172), (9, 2321975264), (12, 1741481448), (14, 1492698384), (16, 1306111086), (18, 1160987632), (21, 995132256), (24, 870740724), (28, 746349192), (32, 653055543), (36, 580493816), (42, 497566128), (48, 435370362), (56, 373174596), (63, 331710752), (72, 290246908), (84, 248783064), (96, 217685181), (112, 186587298), (126, 165855376), (144, 145123454), (168, 124391532), (224, 93293649), (252, 82927688), (288, 72561727), (336, 62195766), (504, 41463844), (672, 31097883), (1008, 20731922), (1367, 15287328), (2016, 10365961), (2734, 7643664), (4101, 5095776), (5468, 3821832), (7583, 2755872), (8202, 2547888), (9569, 2183904), (10936, 1910916), (12303, 1698592), (15166, 1377936), (16404, 1273944), (19138, 1091952), (21872, 955458), (22749, 918624), (24606, 849296), (28707, 727968), (30332, 688968), (32808, 636972), (38276, 545976), (43744, 477729), (45498, 459312), (49212, 424648), (53081, 393696), (57414, 363984), (60664, 344484), (65616, 318486), (68247, 306208), (76552, 272988), (86121, 242656), (90996, 229656), (98424, 212324), (106162, 196848), (114828, 181992), (121328, 172242), (131232, 159243), (136494, 153104)]