20178873088

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{377147}}^1$

素因数の和:377193

約数の個数: 72

約数和(自身を含む): 46253430720

約数和(自身を除く): 26074557632

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 256, 304, 352, 418, 608, 704, 836, 1216, 1408, 1672, 2432, 2816, 3344, 4864, 6688, 13376, 26752, 53504, 377147, 754294, 1508588, 3017176, 4148617, 6034352, 7165793, 8297234, 12068704, 14331586, 16594468, 24137408, 28663172, 33188936, 48274816, 57326344, 66377872, 78823723, 96549632, 114652688, 132755744, 157647446, 229305376, 265511488, 315294892, 458610752, 531022976, 630589784, 917221504, 1062045952, 1261179568, 1834443008, 2522359136, 5044718272, 10089436544, 20178873088]

約数ペア:

[(1, 20178873088), (2, 10089436544), (4, 5044718272), (8, 2522359136), (11, 1834443008), (16, 1261179568), (19, 1062045952), (22, 917221504), (32, 630589784), (38, 531022976), (44, 458610752), (64, 315294892), (76, 265511488), (88, 229305376), (128, 157647446), (152, 132755744), (176, 114652688), (209, 96549632), (256, 78823723), (304, 66377872), (352, 57326344), (418, 48274816), (608, 33188936), (704, 28663172), (836, 24137408), (1216, 16594468), (1408, 14331586), (1672, 12068704), (2432, 8297234), (2816, 7165793), (3344, 6034352), (4864, 4148617), (6688, 3017176), (13376, 1508588), (26752, 754294), (53504, 377147)]