20121897776

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{1091}}^1\times {\mathrm{39749}}^1$

素因数の和:40877

約数の個数: 40

約数和(自身を含む): 40368510000

約数和(自身を除く): 20246612224

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 1091, 2182, 4364, 8728, 17456, 31639, 39749, 63278, 79498, 126556, 158996, 253112, 317992, 506224, 635984, 1152721, 2305442, 4610884, 9221768, 18443536, 43366159, 86732318, 173464636, 346929272, 693858544, 1257618611, 2515237222, 5030474444, 10060948888, 20121897776]

約数ペア:

[(1, 20121897776), (2, 10060948888), (4, 5030474444), (8, 2515237222), (16, 1257618611), (29, 693858544), (58, 346929272), (116, 173464636), (232, 86732318), (464, 43366159), (1091, 18443536), (2182, 9221768), (4364, 4610884), (8728, 2305442), (17456, 1152721), (31639, 635984), (39749, 506224), (63278, 317992), (79498, 253112), (126556, 158996)]