20194648480

素因数分解:

$2^5\times 5^1\times {\mathrm{4561}}^1\times {\mathrm{27673}}^1$

素因数の和:32249

約数の個数: 48

約数和(自身を含む): 47722041864

約数和(自身を除く): 27527393384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4561, 9122, 18244, 22805, 27673, 36488, 45610, 55346, 72976, 91220, 110692, 138365, 145952, 182440, 221384, 276730, 364880, 442768, 553460, 729760, 885536, 1106920, 2213840, 4427680, 126216553, 252433106, 504866212, 631082765, 1009732424, 1262165530, 2019464848, 2524331060, 4038929696, 5048662120, 10097324240, 20194648480]

約数ペア:

[(1, 20194648480), (2, 10097324240), (4, 5048662120), (5, 4038929696), (8, 2524331060), (10, 2019464848), (16, 1262165530), (20, 1009732424), (32, 631082765), (40, 504866212), (80, 252433106), (160, 126216553), (4561, 4427680), (9122, 2213840), (18244, 1106920), (22805, 885536), (27673, 729760), (36488, 553460), (45610, 442768), (55346, 364880), (72976, 276730), (91220, 221384), (110692, 182440), (138365, 145952)]