20837850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 57478464

約数和(自身を除く): 36640614

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 73, 75, 110, 146, 150, 165, 173, 219, 275, 330, 346, 365, 438, 519, 550, 730, 803, 825, 865, 1038, 1095, 1606, 1650, 1730, 1825, 1903, 2190, 2409, 2595, 3650, 3806, 4015, 4325, 4818, 5190, 5475, 5709, 8030, 8650, 9515, 10950, 11418, 12045, 12629, 12975, 19030, 20075, 24090, 25258, 25950, 28545, 37887, 40150, 47575, 57090, 60225, 63145, 75774, 95150, 120450, 126290, 138919, 142725, 189435, 277838, 285450, 315725, 378870, 416757, 631450, 694595, 833514, 947175, 1389190, 1894350, 2083785, 3472975, 4167570, 6945950, 10418925, 20837850]

約数ペア:

[(1, 20837850), (2, 10418925), (3, 6945950), (5, 4167570), (6, 3472975), (10, 2083785), (11, 1894350), (15, 1389190), (22, 947175), (25, 833514), (30, 694595), (33, 631450), (50, 416757), (55, 378870), (66, 315725), (73, 285450), (75, 277838), (110, 189435), (146, 142725), (150, 138919), (165, 126290), (173, 120450), (219, 95150), (275, 75774), (330, 63145), (346, 60225), (365, 57090), (438, 47575), (519, 40150), (550, 37887), (730, 28545), (803, 25950), (825, 25258), (865, 24090), (1038, 20075), (1095, 19030), (1606, 12975), (1650, 12629), (1730, 12045), (1825, 11418), (1903, 10950), (2190, 9515), (2409, 8650), (2595, 8030), (3650, 5709), (3806, 5475), (4015, 5190), (4325, 4818)]