20015728752

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{26863}}^1$

素因数の和:26955

約数の個数: 120

約数和(自身を含む): 55843163904

約数和(自身を除く): 35827435152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 43, 48, 57, 76, 86, 114, 129, 152, 172, 228, 258, 304, 344, 361, 456, 516, 688, 722, 817, 912, 1032, 1083, 1444, 1634, 2064, 2166, 2451, 2888, 3268, 4332, 4902, 5776, 6536, 8664, 9804, 13072, 15523, 17328, 19608, 26863, 31046, 39216, 46569, 53726, 62092, 80589, 93138, 107452, 124184, 161178, 186276, 214904, 248368, 322356, 372552, 429808, 510397, 644712, 745104, 1020794, 1155109, 1289424, 1531191, 2041588, 2310218, 3062382, 3465327, 4083176, 4620436, 6124764, 6930654, 8166352, 9240872, 9697543, 12249528, 13861308, 18481744, 19395086, 21947071, 24499056, 27722616, 29092629, 38790172, 43894142, 55445232, 58185258, 65841213, 77580344, 87788284, 116370516, 131682426, 155160688, 175576568, 232741032, 263364852, 351153136, 416994349, 465482064, 526729704, 833988698, 1053459408, 1250983047, 1667977396, 2501966094, 3335954792, 5003932188, 6671909584, 10007864376, 20015728752]

約数ペア:

[(1, 20015728752), (2, 10007864376), (3, 6671909584), (4, 5003932188), (6, 3335954792), (8, 2501966094), (12, 1667977396), (16, 1250983047), (19, 1053459408), (24, 833988698), (38, 526729704), (43, 465482064), (48, 416994349), (57, 351153136), (76, 263364852), (86, 232741032), (114, 175576568), (129, 155160688), (152, 131682426), (172, 116370516), (228, 87788284), (258, 77580344), (304, 65841213), (344, 58185258), (361, 55445232), (456, 43894142), (516, 38790172), (688, 29092629), (722, 27722616), (817, 24499056), (912, 21947071), (1032, 19395086), (1083, 18481744), (1444, 13861308), (1634, 12249528), (2064, 9697543), (2166, 9240872), (2451, 8166352), (2888, 6930654), (3268, 6124764), (4332, 4620436), (4902, 4083176), (5776, 3465327), (6536, 3062382), (8664, 2310218), (9804, 2041588), (13072, 1531191), (15523, 1289424), (17328, 1155109), (19608, 1020794), (26863, 745104), (31046, 644712), (39216, 510397), (46569, 429808), (53726, 372552), (62092, 322356), (80589, 248368), (93138, 214904), (107452, 186276), (124184, 161178)]