20503763968

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{14843}}^1$

素因数の和:14953

約数の個数: 88

約数和(自身を含む): 43755361920

約数和(自身を除く): 23251597952

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 128, 142, 152, 256, 284, 304, 512, 568, 608, 1024, 1136, 1216, 1349, 2272, 2432, 2698, 4544, 4864, 5396, 9088, 9728, 10792, 14843, 18176, 19456, 21584, 29686, 36352, 43168, 59372, 72704, 86336, 118744, 172672, 237488, 282017, 345344, 474976, 564034, 690688, 949952, 1053853, 1128068, 1381376, 1899904, 2107706, 2256136, 3799808, 4215412, 4512272, 7599616, 8430824, 9024544, 15199232, 16861648, 18049088, 20023207, 33723296, 36098176, 40046414, 67446592, 72196352, 80092828, 134893184, 144392704, 160185656, 269786368, 288785408, 320371312, 539572736, 640742624, 1079145472, 1281485248, 2562970496, 5125940992, 10251881984, 20503763968]

約数ペア:

[(1, 20503763968), (2, 10251881984), (4, 5125940992), (8, 2562970496), (16, 1281485248), (19, 1079145472), (32, 640742624), (38, 539572736), (64, 320371312), (71, 288785408), (76, 269786368), (128, 160185656), (142, 144392704), (152, 134893184), (256, 80092828), (284, 72196352), (304, 67446592), (512, 40046414), (568, 36098176), (608, 33723296), (1024, 20023207), (1136, 18049088), (1216, 16861648), (1349, 15199232), (2272, 9024544), (2432, 8430824), (2698, 7599616), (4544, 4512272), (4864, 4215412), (5396, 3799808), (9088, 2256136), (9728, 2107706), (10792, 1899904), (14843, 1381376), (18176, 1128068), (19456, 1053853), (21584, 949952), (29686, 690688), (36352, 564034), (43168, 474976), (59372, 345344), (72704, 282017), (86336, 237488), (118744, 172672)]