20161914920728

素因数分解:

$2^3\times 7^1\times {\mathrm{2579}}^1\times {\mathrm{17923}}^1\times {\mathrm{7789}}^1$

素因数の和:28304

約数の個数: 64

約数和(自身を含む): 43228816416000

約数和(自身を除く): 23066901495272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2579, 5158, 7789, 10316, 15578, 17923, 18053, 20632, 31156, 35846, 36106, 54523, 62312, 71692, 72212, 109046, 125461, 143384, 144424, 218092, 250922, 436184, 501844, 1003688, 20087831, 40175662, 46223417, 80351324, 92446834, 139602247, 140614817, 160702648, 184893668, 279204494, 281229634, 323563919, 369787336, 558408988, 562459268, 647127838, 977215729, 1116817976, 1124918536, 1294255676, 1954431458, 2588511352, 3908862916, 7817725832, 360034195013, 720068390026, 1440136780052, 2520239365091, 2880273560104, 5040478730182, 10080957460364, 20161914920728]

約数ペア:

[(1, 20161914920728), (2, 10080957460364), (4, 5040478730182), (7, 2880273560104), (8, 2520239365091), (14, 1440136780052), (28, 720068390026), (56, 360034195013), (2579, 7817725832), (5158, 3908862916), (7789, 2588511352), (10316, 1954431458), (15578, 1294255676), (17923, 1124918536), (18053, 1116817976), (20632, 977215729), (31156, 647127838), (35846, 562459268), (36106, 558408988), (54523, 369787336), (62312, 323563919), (71692, 281229634), (72212, 279204494), (109046, 184893668), (125461, 160702648), (143384, 140614817), (144424, 139602247), (218092, 92446834), (250922, 80351324), (436184, 46223417), (501844, 40175662), (1003688, 20087831)]