20432865620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1\times {\mathrm{43051}}^1$

素因数の和:44328

約数の個数: 48

約数和(自身を含む): 45204600000

約数和(自身を除く): 24771734380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1249, 2498, 4996, 6245, 12490, 23731, 24980, 43051, 47462, 86102, 94924, 118655, 172204, 215255, 237310, 430510, 474620, 817969, 861020, 1635938, 3271876, 4089845, 8179690, 16359380, 53770699, 107541398, 215082796, 268853495, 537706990, 1021643281, 1075413980, 2043286562, 4086573124, 5108216405, 10216432810, 20432865620]

約数ペア:

[(1, 20432865620), (2, 10216432810), (4, 5108216405), (5, 4086573124), (10, 2043286562), (19, 1075413980), (20, 1021643281), (38, 537706990), (76, 268853495), (95, 215082796), (190, 107541398), (380, 53770699), (1249, 16359380), (2498, 8179690), (4996, 4089845), (6245, 3271876), (12490, 1635938), (23731, 861020), (24980, 817969), (43051, 474620), (47462, 430510), (86102, 237310), (94924, 215255), (118655, 172204)]