20453230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 44323200

約数和(自身を除く): 23869970

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 53, 70, 74, 106, 149, 185, 259, 265, 298, 370, 371, 518, 530, 742, 745, 1043, 1295, 1490, 1855, 1961, 2086, 2590, 3710, 3922, 5215, 5513, 7897, 9805, 10430, 11026, 13727, 15794, 19610, 27454, 27565, 38591, 39485, 55130, 55279, 68635, 77182, 78970, 110558, 137270, 192955, 276395, 292189, 385910, 552790, 584378, 1460945, 2045323, 2921890, 4090646, 10226615, 20453230]

約数ペア:

[(1, 20453230), (2, 10226615), (5, 4090646), (7, 2921890), (10, 2045323), (14, 1460945), (35, 584378), (37, 552790), (53, 385910), (70, 292189), (74, 276395), (106, 192955), (149, 137270), (185, 110558), (259, 78970), (265, 77182), (298, 68635), (370, 55279), (371, 55130), (518, 39485), (530, 38591), (742, 27565), (745, 27454), (1043, 19610), (1295, 15794), (1490, 13727), (1855, 11026), (1961, 10430), (2086, 9805), (2590, 7897), (3710, 5513), (3922, 5215)]