20171777516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1787}}^1\times {\mathrm{15091}}^1$

素因数の和:16910

約数の個数: 48

約数和(自身を含む): 40800557952

約数和(自身を除く): 20628780436

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 1787, 3574, 7148, 15091, 19657, 30182, 30379, 39314, 60364, 60758, 78628, 121516, 166001, 256547, 332002, 334169, 513094, 664004, 668338, 1026188, 1336676, 2822017, 5644034, 11288068, 26967617, 53935234, 107870468, 296643787, 458449489, 593287574, 916898978, 1186575148, 1833797956, 5042944379, 10085888758, 20171777516]

約数ペア:

[(1, 20171777516), (2, 10085888758), (4, 5042944379), (11, 1833797956), (17, 1186575148), (22, 916898978), (34, 593287574), (44, 458449489), (68, 296643787), (187, 107870468), (374, 53935234), (748, 26967617), (1787, 11288068), (3574, 5644034), (7148, 2822017), (15091, 1336676), (19657, 1026188), (30182, 668338), (30379, 664004), (39314, 513094), (60364, 334169), (60758, 332002), (78628, 256547), (121516, 166001)]