20119205640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{19309}}^1$

素因数の和:19799

約数の個数: 128

約数和(自身を含む): 63676656000

約数和(自身を除く): 43557450360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 457, 570, 760, 914, 1140, 1371, 1828, 2280, 2285, 2742, 3656, 4570, 5484, 6855, 8683, 9140, 10968, 13710, 17366, 18280, 19309, 26049, 27420, 34732, 38618, 43415, 52098, 54840, 57927, 69464, 77236, 86830, 96545, 104196, 115854, 130245, 154472, 173660, 193090, 208392, 231708, 260490, 289635, 347320, 366871, 386180, 463416, 520980, 579270, 733742, 772360, 1041960, 1100613, 1158540, 1467484, 1834355, 2201226, 2317080, 2934968, 3668710, 4402452, 5503065, 7337420, 8804904, 8824213, 11006130, 14674840, 17648426, 22012260, 26472639, 35296852, 44024520, 44121065, 52945278, 70593704, 88242130, 105890556, 132363195, 167660047, 176484260, 211781112, 264726390, 335320094, 352968520, 502980141, 529452780, 670640188, 838300235, 1005960282, 1058905560, 1341280376, 1676600470, 2011920564, 2514900705, 3353200940, 4023841128, 5029801410, 6706401880, 10059602820, 20119205640]

約数ペア:

[(1, 20119205640), (2, 10059602820), (3, 6706401880), (4, 5029801410), (5, 4023841128), (6, 3353200940), (8, 2514900705), (10, 2011920564), (12, 1676600470), (15, 1341280376), (19, 1058905560), (20, 1005960282), (24, 838300235), (30, 670640188), (38, 529452780), (40, 502980141), (57, 352968520), (60, 335320094), (76, 264726390), (95, 211781112), (114, 176484260), (120, 167660047), (152, 132363195), (190, 105890556), (228, 88242130), (285, 70593704), (380, 52945278), (456, 44121065), (457, 44024520), (570, 35296852), (760, 26472639), (914, 22012260), (1140, 17648426), (1371, 14674840), (1828, 11006130), (2280, 8824213), (2285, 8804904), (2742, 7337420), (3656, 5503065), (4570, 4402452), (5484, 3668710), (6855, 2934968), (8683, 2317080), (9140, 2201226), (10968, 1834355), (13710, 1467484), (17366, 1158540), (18280, 1100613), (19309, 1041960), (26049, 772360), (27420, 733742), (34732, 579270), (38618, 520980), (43415, 463416), (52098, 386180), (54840, 366871), (57927, 347320), (69464, 289635), (77236, 260490), (86830, 231708), (96545, 208392), (104196, 193090), (115854, 173660), (130245, 154472)]