20123018184

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{4517}}^1$

素因数の和:4783

約数の個数: 128

約数和(自身を含む): 54454550400

約数和(自身を除く): 34331532216

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 61, 68, 102, 122, 136, 179, 183, 204, 244, 358, 366, 408, 488, 537, 716, 732, 1037, 1074, 1432, 1464, 2074, 2148, 3043, 3111, 4148, 4296, 4517, 6086, 6222, 8296, 9034, 9129, 10919, 12172, 12444, 13551, 18068, 18258, 21838, 24344, 24888, 27102, 32757, 36136, 36516, 43676, 54204, 65514, 73032, 76789, 87352, 108408, 131028, 153578, 185623, 230367, 262056, 275537, 307156, 371246, 460734, 551074, 556869, 614312, 742492, 808543, 826611, 921468, 1102148, 1113738, 1484984, 1617086, 1653222, 1842936, 2204296, 2227476, 2425629, 3234172, 3306444, 4454952, 4684129, 4851258, 6468344, 6612888, 9368258, 9702516, 13745231, 14052387, 18736516, 19405032, 27490462, 28104774, 37473032, 41235693, 49321123, 54980924, 56209548, 82471386, 98642246, 109961848, 112419096, 147963369, 164942772, 197284492, 295926738, 329885544, 394568984, 591853476, 838459091, 1183706952, 1676918182, 2515377273, 3353836364, 5030754546, 6707672728, 10061509092, 20123018184]

約数ペア:

[(1, 20123018184), (2, 10061509092), (3, 6707672728), (4, 5030754546), (6, 3353836364), (8, 2515377273), (12, 1676918182), (17, 1183706952), (24, 838459091), (34, 591853476), (51, 394568984), (61, 329885544), (68, 295926738), (102, 197284492), (122, 164942772), (136, 147963369), (179, 112419096), (183, 109961848), (204, 98642246), (244, 82471386), (358, 56209548), (366, 54980924), (408, 49321123), (488, 41235693), (537, 37473032), (716, 28104774), (732, 27490462), (1037, 19405032), (1074, 18736516), (1432, 14052387), (1464, 13745231), (2074, 9702516), (2148, 9368258), (3043, 6612888), (3111, 6468344), (4148, 4851258), (4296, 4684129), (4517, 4454952), (6086, 3306444), (6222, 3234172), (8296, 2425629), (9034, 2227476), (9129, 2204296), (10919, 1842936), (12172, 1653222), (12444, 1617086), (13551, 1484984), (18068, 1113738), (18258, 1102148), (21838, 921468), (24344, 826611), (24888, 808543), (27102, 742492), (32757, 614312), (36136, 556869), (36516, 551074), (43676, 460734), (54204, 371246), (65514, 307156), (73032, 275537), (76789, 262056), (87352, 230367), (108408, 185623), (131028, 153578)]