20218584704

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{320401}}^1$

素因数の和:320461

約数の個数: 64

約数和(自身を含む): 44119355400

約数和(自身を除く): 23900770696

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 116, 128, 136, 232, 272, 464, 493, 544, 928, 986, 1088, 1856, 1972, 2176, 3712, 3944, 7888, 15776, 31552, 63104, 320401, 640802, 1281604, 2563208, 5126416, 5446817, 9291629, 10252832, 10893634, 18583258, 20505664, 21787268, 37166516, 41011328, 43574536, 74333032, 87149072, 148666064, 157957693, 174298144, 297332128, 315915386, 348596288, 594664256, 631830772, 697192576, 1189328512, 1263661544, 2527323088, 5054646176, 10109292352, 20218584704]

約数ペア:

[(1, 20218584704), (2, 10109292352), (4, 5054646176), (8, 2527323088), (16, 1263661544), (17, 1189328512), (29, 697192576), (32, 631830772), (34, 594664256), (58, 348596288), (64, 315915386), (68, 297332128), (116, 174298144), (128, 157957693), (136, 148666064), (232, 87149072), (272, 74333032), (464, 43574536), (493, 41011328), (544, 37166516), (928, 21787268), (986, 20505664), (1088, 18583258), (1856, 10893634), (1972, 10252832), (2176, 9291629), (3712, 5446817), (3944, 5126416), (7888, 2563208), (15776, 1281604), (31552, 640802), (63104, 320401)]