20171216896

素因数分解:

$2^{11}\times {\mathrm{31}}^1\times {\mathrm{317717}}^1$

素因数の和:317770

約数の個数: 48

約数和(自身を含む): 41633766720

約数和(自身を除く): 21462549824

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1984, 2048, 3968, 7936, 15872, 31744, 63488, 317717, 635434, 1270868, 2541736, 5083472, 9849227, 10166944, 19698454, 20333888, 39396908, 40667776, 78793816, 81335552, 157587632, 162671104, 315175264, 325342208, 630350528, 650684416, 1260701056, 2521402112, 5042804224, 10085608448, 20171216896]

約数ペア:

[(1, 20171216896), (2, 10085608448), (4, 5042804224), (8, 2521402112), (16, 1260701056), (31, 650684416), (32, 630350528), (62, 325342208), (64, 315175264), (124, 162671104), (128, 157587632), (248, 81335552), (256, 78793816), (496, 40667776), (512, 39396908), (992, 20333888), (1024, 19698454), (1984, 10166944), (2048, 9849227), (3968, 5083472), (7936, 2541736), (15872, 1270868), (31744, 635434), (63488, 317717)]