20132621790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1\times {\mathrm{19867}}^1$

素因数の和:21881

約数の個数: 64

約数和(自身を含む): 51188868864

約数和(自身を除く): 31056247074

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 1987, 3974, 5961, 9935, 11922, 19867, 19870, 29805, 33779, 39734, 59601, 59610, 67558, 99335, 101337, 119202, 168895, 198670, 202674, 298005, 337739, 337790, 506685, 596010, 675478, 1013217, 1013370, 1688695, 2026434, 3377390, 5066085, 10132170, 39475729, 78951458, 118427187, 197378645, 236854374, 394757290, 592135935, 671087393, 1184271870, 1342174786, 2013262179, 3355436965, 4026524358, 6710873930, 10066310895, 20132621790]

約数ペア:

[(1, 20132621790), (2, 10066310895), (3, 6710873930), (5, 4026524358), (6, 3355436965), (10, 2013262179), (15, 1342174786), (17, 1184271870), (30, 671087393), (34, 592135935), (51, 394757290), (85, 236854374), (102, 197378645), (170, 118427187), (255, 78951458), (510, 39475729), (1987, 10132170), (3974, 5066085), (5961, 3377390), (9935, 2026434), (11922, 1688695), (19867, 1013370), (19870, 1013217), (29805, 675478), (33779, 596010), (39734, 506685), (59601, 337790), (59610, 337739), (67558, 298005), (99335, 202674), (101337, 198670), (119202, 168895)]