20127456

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4111}}^1$

素因数の和:4144

約数の個数: 72

約数和(自身を含む): 60619104

約数和(自身を除く): 40491648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4111, 4896, 8222, 12333, 16444, 24666, 32888, 36999, 49332, 65776, 69887, 73998, 98664, 131552, 139774, 147996, 197328, 209661, 279548, 295992, 394656, 419322, 559096, 591984, 628983, 838644, 1118192, 1183968, 1257966, 1677288, 2236384, 2515932, 3354576, 5031864, 6709152, 10063728, 20127456]

約数ペア:

[(1, 20127456), (2, 10063728), (3, 6709152), (4, 5031864), (6, 3354576), (8, 2515932), (9, 2236384), (12, 1677288), (16, 1257966), (17, 1183968), (18, 1118192), (24, 838644), (32, 628983), (34, 591984), (36, 559096), (48, 419322), (51, 394656), (68, 295992), (72, 279548), (96, 209661), (102, 197328), (136, 147996), (144, 139774), (153, 131552), (204, 98664), (272, 73998), (288, 69887), (306, 65776), (408, 49332), (544, 36999), (612, 32888), (816, 24666), (1224, 16444), (1632, 12333), (2448, 8222), (4111, 4896)]