20279790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 56137536

約数和(自身を除く): 35857746

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 97, 101, 115, 138, 194, 202, 207, 230, 291, 303, 345, 414, 485, 505, 582, 606, 690, 873, 909, 970, 1010, 1035, 1455, 1515, 1746, 1818, 2070, 2231, 2323, 2910, 3030, 4365, 4462, 4545, 4646, 6693, 6969, 8730, 9090, 9797, 11155, 11615, 13386, 13938, 19594, 20079, 20907, 22310, 23230, 29391, 33465, 34845, 40158, 41814, 48985, 58782, 66930, 69690, 88173, 97970, 100395, 104535, 146955, 176346, 200790, 209070, 225331, 293910, 440865, 450662, 675993, 881730, 1126655, 1351986, 2027979, 2253310, 3379965, 4055958, 6759930, 10139895, 20279790]

約数ペア:

[(1, 20279790), (2, 10139895), (3, 6759930), (5, 4055958), (6, 3379965), (9, 2253310), (10, 2027979), (15, 1351986), (18, 1126655), (23, 881730), (30, 675993), (45, 450662), (46, 440865), (69, 293910), (90, 225331), (97, 209070), (101, 200790), (115, 176346), (138, 146955), (194, 104535), (202, 100395), (207, 97970), (230, 88173), (291, 69690), (303, 66930), (345, 58782), (414, 48985), (485, 41814), (505, 40158), (582, 34845), (606, 33465), (690, 29391), (873, 23230), (909, 22310), (970, 20907), (1010, 20079), (1035, 19594), (1455, 13938), (1515, 13386), (1746, 11615), (1818, 11155), (2070, 9797), (2231, 9090), (2323, 8730), (2910, 6969), (3030, 6693), (4365, 4646), (4462, 4545)]