20757123984

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{3727}}^1\times {\mathrm{4001}}^1$

素因数の和:7768

約数の個数: 80

約数和(自身を含む): 55500376320

約数和(自身を除く): 34743252336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 3727, 4001, 7454, 8002, 11181, 12003, 14908, 16004, 22362, 24006, 29816, 32008, 44724, 48012, 59632, 64016, 89448, 96024, 108083, 116029, 178896, 192048, 216166, 232058, 324249, 348087, 432332, 464116, 648498, 696174, 864664, 928232, 1296996, 1392348, 1729328, 1856464, 2593992, 2784696, 5187984, 5569392, 14911727, 29823454, 44735181, 59646908, 89470362, 119293816, 178940724, 238587632, 357881448, 432440083, 715762896, 864880166, 1297320249, 1729760332, 2594640498, 3459520664, 5189280996, 6919041328, 10378561992, 20757123984]

約数ペア:

[(1, 20757123984), (2, 10378561992), (3, 6919041328), (4, 5189280996), (6, 3459520664), (8, 2594640498), (12, 1729760332), (16, 1297320249), (24, 864880166), (29, 715762896), (48, 432440083), (58, 357881448), (87, 238587632), (116, 178940724), (174, 119293816), (232, 89470362), (348, 59646908), (464, 44735181), (696, 29823454), (1392, 14911727), (3727, 5569392), (4001, 5187984), (7454, 2784696), (8002, 2593992), (11181, 1856464), (12003, 1729328), (14908, 1392348), (16004, 1296996), (22362, 928232), (24006, 864664), (29816, 696174), (32008, 648498), (44724, 464116), (48012, 432332), (59632, 348087), (64016, 324249), (89448, 232058), (96024, 216166), (108083, 192048), (116029, 178896)]