20120670848

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{19583}}^1$

素因数の和:19969

約数の個数: 64

約数和(自身を含む): 41948928000

約数和(自身を除く): 21828257152

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 349, 368, 698, 736, 1396, 1472, 2792, 2944, 5584, 8027, 11168, 16054, 19583, 22336, 32108, 39166, 44672, 64216, 78332, 128432, 156664, 256864, 313328, 450409, 513728, 626656, 900818, 1027456, 1253312, 1801636, 2506624, 3603272, 6834467, 7206544, 13668934, 14413088, 27337868, 28826176, 54675736, 57652352, 109351472, 157192741, 218702944, 314385482, 437405888, 628770964, 874811776, 1257541928, 2515083856, 5030167712, 10060335424, 20120670848]

約数ペア:

[(1, 20120670848), (2, 10060335424), (4, 5030167712), (8, 2515083856), (16, 1257541928), (23, 874811776), (32, 628770964), (46, 437405888), (64, 314385482), (92, 218702944), (128, 157192741), (184, 109351472), (349, 57652352), (368, 54675736), (698, 28826176), (736, 27337868), (1396, 14413088), (1472, 13668934), (2792, 7206544), (2944, 6834467), (5584, 3603272), (8027, 2506624), (11168, 1801636), (16054, 1253312), (19583, 1027456), (22336, 900818), (32108, 626656), (39166, 513728), (44672, 450409), (64216, 313328), (78332, 256864), (128432, 156664)]