20176658320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2771519}}^1$

素因数の和:2771552

約数の個数: 80

約数和(自身を含む): 57736304640

約数和(自身を除く): 37559646320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 2771519, 5543038, 11086076, 13857595, 19400633, 22172152, 27715190, 36029747, 38801266, 44344304, 55430380, 72059494, 77602532, 97003165, 110860760, 144118988, 155205064, 180148735, 194006330, 221721520, 252208229, 288237976, 310410128, 360297470, 388012660, 504416458, 576475952, 720594940, 776025320, 1008832916, 1261041145, 1441189880, 1552050640, 2017665832, 2522082290, 2882379760, 4035331664, 5044164580, 10088329160, 20176658320]

約数ペア:

[(1, 20176658320), (2, 10088329160), (4, 5044164580), (5, 4035331664), (7, 2882379760), (8, 2522082290), (10, 2017665832), (13, 1552050640), (14, 1441189880), (16, 1261041145), (20, 1008832916), (26, 776025320), (28, 720594940), (35, 576475952), (40, 504416458), (52, 388012660), (56, 360297470), (65, 310410128), (70, 288237976), (80, 252208229), (91, 221721520), (104, 194006330), (112, 180148735), (130, 155205064), (140, 144118988), (182, 110860760), (208, 97003165), (260, 77602532), (280, 72059494), (364, 55430380), (455, 44344304), (520, 38801266), (560, 36029747), (728, 27715190), (910, 22172152), (1040, 19400633), (1456, 13857595), (1820, 11086076), (3640, 5543038), (7280, 2771519)]