20557590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 52767936

約数和(自身を除く): 32210346

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 173, 233, 255, 346, 466, 510, 519, 699, 865, 1038, 1165, 1398, 1730, 2330, 2595, 2941, 3495, 3961, 5190, 5882, 6990, 7922, 8823, 11883, 14705, 17646, 19805, 23766, 29410, 39610, 40309, 44115, 59415, 80618, 88230, 118830, 120927, 201545, 241854, 403090, 604635, 685253, 1209270, 1370506, 2055759, 3426265, 4111518, 6852530, 10278795, 20557590]

約数ペア:

[(1, 20557590), (2, 10278795), (3, 6852530), (5, 4111518), (6, 3426265), (10, 2055759), (15, 1370506), (17, 1209270), (30, 685253), (34, 604635), (51, 403090), (85, 241854), (102, 201545), (170, 120927), (173, 118830), (233, 88230), (255, 80618), (346, 59415), (466, 44115), (510, 40309), (519, 39610), (699, 29410), (865, 23766), (1038, 19805), (1165, 17646), (1398, 14705), (1730, 11883), (2330, 8823), (2595, 7922), (2941, 6990), (3495, 5882), (3961, 5190)]