20982384

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7669}}^1$

素因数の和:7702

約数の個数: 60

約数和(自身を含む): 61820200

約数和(自身を除く): 40837816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7669, 15338, 23007, 30676, 46014, 61352, 69021, 92028, 122704, 138042, 145711, 184056, 276084, 291422, 368112, 437133, 552168, 582844, 874266, 1104336, 1165688, 1311399, 1748532, 2331376, 2622798, 3497064, 5245596, 6994128, 10491192, 20982384]

約数ペア:

[(1, 20982384), (2, 10491192), (3, 6994128), (4, 5245596), (6, 3497064), (8, 2622798), (9, 2331376), (12, 1748532), (16, 1311399), (18, 1165688), (19, 1104336), (24, 874266), (36, 582844), (38, 552168), (48, 437133), (57, 368112), (72, 291422), (76, 276084), (114, 184056), (144, 145711), (152, 138042), (171, 122704), (228, 92028), (304, 69021), (342, 61352), (456, 46014), (684, 30676), (912, 23007), (1368, 15338), (2736, 7669)]