20156191630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{16349}}^1$

素因数の和:16525

約数の個数: 64

約数和(自身を含む): 38762841600

約数和(自身を除く): 18606649970

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 97, 155, 194, 205, 310, 410, 485, 970, 1271, 2542, 3007, 3977, 6014, 6355, 7954, 12710, 15035, 16349, 19885, 30070, 32698, 39770, 81745, 123287, 163490, 246574, 506819, 616435, 670309, 1013638, 1232870, 1340618, 1585853, 2534095, 3171706, 3351545, 5068190, 6703090, 7929265, 15858530, 20779579, 41559158, 49161443, 65019973, 98322886, 103897895, 130039946, 207795790, 245807215, 325099865, 491614430, 650199730, 2015619163, 4031238326, 10078095815, 20156191630]

約数ペア:

[(1, 20156191630), (2, 10078095815), (5, 4031238326), (10, 2015619163), (31, 650199730), (41, 491614430), (62, 325099865), (82, 245807215), (97, 207795790), (155, 130039946), (194, 103897895), (205, 98322886), (310, 65019973), (410, 49161443), (485, 41559158), (970, 20779579), (1271, 15858530), (2542, 7929265), (3007, 6703090), (3977, 5068190), (6014, 3351545), (6355, 3171706), (7954, 2534095), (12710, 1585853), (15035, 1340618), (16349, 1232870), (19885, 1013638), (30070, 670309), (32698, 616435), (39770, 506819), (81745, 246574), (123287, 163490)]