20123004448

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{626963}}^1$

素因数の和:627049

約数の個数: 48

約数和(自身を含む): 42658630560

約数和(自身を除く): 22535626112

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 59, 68, 118, 136, 236, 272, 472, 544, 944, 1003, 1888, 2006, 4012, 8024, 16048, 32096, 626963, 1253926, 2507852, 5015704, 10031408, 10658371, 20062816, 21316742, 36990817, 42633484, 73981634, 85266968, 147963268, 170533936, 295926536, 341067872, 591853072, 628843889, 1183706144, 1257687778, 2515375556, 5030751112, 10061502224, 20123004448]

約数ペア:

[(1, 20123004448), (2, 10061502224), (4, 5030751112), (8, 2515375556), (16, 1257687778), (17, 1183706144), (32, 628843889), (34, 591853072), (59, 341067872), (68, 295926536), (118, 170533936), (136, 147963268), (236, 85266968), (272, 73981634), (472, 42633484), (544, 36990817), (944, 21316742), (1003, 20062816), (1888, 10658371), (2006, 10031408), (4012, 5015704), (8024, 2507852), (16048, 1253926), (32096, 626963)]