20888296

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:111

約数の個数: 96

約数和(自身を含む): 50047200

約数和(自身を除く): 29158904

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 31, 38, 44, 52, 62, 76, 88, 104, 124, 143, 152, 209, 247, 248, 286, 341, 403, 418, 494, 572, 589, 682, 806, 836, 961, 988, 1144, 1178, 1364, 1612, 1672, 1922, 1976, 2356, 2717, 2728, 3224, 3844, 4433, 4712, 5434, 6479, 7657, 7688, 8866, 10571, 10868, 12493, 12958, 15314, 17732, 18259, 21142, 21736, 24986, 25916, 30628, 35464, 36518, 42284, 49972, 51832, 61256, 73036, 84227, 84568, 99944, 137423, 146072, 168454, 200849, 237367, 274846, 336908, 401698, 474734, 549692, 673816, 803396, 949468, 1099384, 1606792, 1898936, 2611037, 5222074, 10444148, 20888296]

約数ペア:

[(1, 20888296), (2, 10444148), (4, 5222074), (8, 2611037), (11, 1898936), (13, 1606792), (19, 1099384), (22, 949468), (26, 803396), (31, 673816), (38, 549692), (44, 474734), (52, 401698), (62, 336908), (76, 274846), (88, 237367), (104, 200849), (124, 168454), (143, 146072), (152, 137423), (209, 99944), (247, 84568), (248, 84227), (286, 73036), (341, 61256), (403, 51832), (418, 49972), (494, 42284), (572, 36518), (589, 35464), (682, 30628), (806, 25916), (836, 24986), (961, 21736), (988, 21142), (1144, 18259), (1178, 17732), (1364, 15314), (1612, 12958), (1672, 12493), (1922, 10868), (1976, 10571), (2356, 8866), (2717, 7688), (2728, 7657), (3224, 6479), (3844, 5434), (4433, 4712)]