20004844370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{607}}^1\times {\mathrm{653}}^1$

素因数の和:1384

約数の個数: 96

約数和(自身を含む): 42428924928

約数和(自身を除く): 22424080558

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 490, 515, 607, 653, 721, 1030, 1214, 1306, 1442, 3035, 3265, 3605, 4249, 4571, 5047, 6070, 6530, 7210, 8498, 9142, 10094, 21245, 22855, 25235, 29743, 31997, 42490, 45710, 50470, 59486, 62521, 63994, 67259, 125042, 134518, 148715, 159985, 297430, 312605, 319970, 336295, 396371, 437647, 470813, 625210, 672590, 792742, 875294, 941626, 1981855, 2188235, 2354065, 2774597, 3063529, 3295691, 3963710, 4376470, 4708130, 5549194, 6127058, 6591382, 13872985, 15317645, 16478455, 19422179, 27745970, 30635290, 32956910, 38844358, 40826213, 81652426, 97110895, 194221790, 204131065, 285783491, 408262130, 571566982, 1428917455, 2000484437, 2857834910, 4000968874, 10002422185, 20004844370]

約数ペア:

[(1, 20004844370), (2, 10002422185), (5, 4000968874), (7, 2857834910), (10, 2000484437), (14, 1428917455), (35, 571566982), (49, 408262130), (70, 285783491), (98, 204131065), (103, 194221790), (206, 97110895), (245, 81652426), (490, 40826213), (515, 38844358), (607, 32956910), (653, 30635290), (721, 27745970), (1030, 19422179), (1214, 16478455), (1306, 15317645), (1442, 13872985), (3035, 6591382), (3265, 6127058), (3605, 5549194), (4249, 4708130), (4571, 4376470), (5047, 3963710), (6070, 3295691), (6530, 3063529), (7210, 2774597), (8498, 2354065), (9142, 2188235), (10094, 1981855), (21245, 941626), (22855, 875294), (25235, 792742), (29743, 672590), (31997, 625210), (42490, 470813), (45710, 437647), (50470, 396371), (59486, 336295), (62521, 319970), (63994, 312605), (67259, 297430), (125042, 159985), (134518, 148715)]