20463100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 55996416

約数和(自身を除く): 35533316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 31, 35, 41, 46, 50, 62, 70, 82, 92, 100, 115, 124, 140, 155, 161, 164, 175, 205, 217, 230, 287, 310, 322, 350, 410, 434, 460, 574, 575, 620, 644, 700, 713, 775, 805, 820, 868, 943, 1025, 1085, 1148, 1150, 1271, 1426, 1435, 1550, 1610, 1886, 2050, 2170, 2300, 2542, 2852, 2870, 3100, 3220, 3565, 3772, 4025, 4100, 4340, 4715, 4991, 5084, 5425, 5740, 6355, 6601, 7130, 7175, 8050, 8897, 9430, 9982, 10850, 12710, 13202, 14260, 14350, 16100, 17794, 17825, 18860, 19964, 21700, 23575, 24955, 25420, 26404, 28700, 29233, 31775, 33005, 35588, 35650, 44485, 47150, 49910, 58466, 63550, 66010, 71300, 88970, 94300, 99820, 116932, 124775, 127100, 132020, 146165, 165025, 177940, 204631, 222425, 249550, 292330, 330050, 409262, 444850, 499100, 584660, 660100, 730825, 818524, 889700, 1023155, 1461650, 2046310, 2923300, 4092620, 5115775, 10231550, 20463100]

約数ペア:

[(1, 20463100), (2, 10231550), (4, 5115775), (5, 4092620), (7, 2923300), (10, 2046310), (14, 1461650), (20, 1023155), (23, 889700), (25, 818524), (28, 730825), (31, 660100), (35, 584660), (41, 499100), (46, 444850), (50, 409262), (62, 330050), (70, 292330), (82, 249550), (92, 222425), (100, 204631), (115, 177940), (124, 165025), (140, 146165), (155, 132020), (161, 127100), (164, 124775), (175, 116932), (205, 99820), (217, 94300), (230, 88970), (287, 71300), (310, 66010), (322, 63550), (350, 58466), (410, 49910), (434, 47150), (460, 44485), (574, 35650), (575, 35588), (620, 33005), (644, 31775), (700, 29233), (713, 28700), (775, 26404), (805, 25420), (820, 24955), (868, 23575), (943, 21700), (1025, 19964), (1085, 18860), (1148, 17825), (1150, 17794), (1271, 16100), (1426, 14350), (1435, 14260), (1550, 13202), (1610, 12710), (1886, 10850), (2050, 9982), (2170, 9430), (2300, 8897), (2542, 8050), (2852, 7175), (2870, 7130), (3100, 6601), (3220, 6355), (3565, 5740), (3772, 5425), (4025, 5084), (4100, 4991), (4340, 4715)]